Hptuners rev hang. The axis on the left is .

Hptuners rev hang One of the basic things tuners do when you get a custom tune is remove the Rev Hang. So for a while now, I have been trying to optimize my VVE tables on my 2. 6/NAG1 Sprintex S/C'd Pentastar. At the end of a WOT pull the throttle hangs open and the engine is on the limiter. I gave it a rev and it returned to idle gracefully and then had a slight moment of increased idle (went from 800 to 950 or so) then returned to 800. From the first motor since back when i went to sd and deleted the maf ive had the same problem. Rev it up to about 3500-4000. Throttle will hang between 1k-2k. 1700 and below doesn't hang but does return slower than I expected. I set the Speed vs Baro to 0mph and the fuel will cut off while on throttle at around 1600ish RPM. So I am having bad rev hang issues. 2. I have finally got almost everything working fantastic, except for a problem with the throttle hanging when I rev the motor and taking longer to come down. Can anyone help? I tried to re-enable gear shift hang but I have a rev hang issue after pushing the clutch in above 4000 rpm. 5. I disabled gear shift hang, launch assist and anti shuffle. 3 with dod delete and a summit stage 4 truck cam. 3. Does anyone have a fix for this? I've tried a number of things including adjusting driver demanded torque and timing under low load. You also hit pre-ignition limit during your WOT pull. johnny_boii. If anyone has any advice I'd love to hear it because I have read every forum post that I can find about tuning the throttle and I either don't understand it or it just isn't working. The 11 - 14 are all copperhead. Heres the issue When you snap the throttle (sitting still) or when coming to a stop, the idle drops really low, hangs low and then recovers. Rev-hang is the intentional engineered delay in closing the throttle after you have let off the gas and pushed in the clutch pedal. 2therock. Mine is a DBC. stock trucks and cars ive tuned recently they have been fine no issues and Bad rev hangs. Also, what spark advance timing is common on the gen v cammed cars? HP TUNERS IS THE PREMIER TUNING AND DIAGNOSTICS SOLUTION FOR VEHICLE AFTERMARKET PERFORMANCE WITH OVER 20 YEARS OF EXPERTISE. A 2 step does pops on rev. I'm having an issue with a rev hang off of idle, if you rev the car in neutral it'll hang at 1500 rpm or so then very slowly come down over close to 10 seconds. Actually, if you take a look at the Part throttle shift upshit normal table AND the Part throttle shift downshift normal table , you will notice that if you are in 6th gear at 99+ MPH and floor the pedal (100% Throttle Position), the vehicle will hang on to 6th till it hits the limiter. Im just trying to stop the instant 2000rpm hit it has on start up. However, I'm still finding the part throttle 100449 One of my customers called me and said his manual 2016 camaro with full bolt ons and e85 wont rev past 5000rpm despite the limiters raised and driver demand adjusted. Well, I recently swapped an 2016 L83 into an 05 RX-8 with a T56 trans. And then when you get it to rev, the idle hangs up around 1700rpm. I'm currently rockin with the 2009 p71 crown vic. Any tips would be helpful. The 4l80e trans was seg swapped in , and not sure if that is where it went wrong or what. Hi yall, I was wondering if anyone had successfully pulled off a manual crown victoria tune with hptuners. I tried adjusting governor settings: No throttle fuel, deceleration limit rate I'm a bit of a novice tuner but i'm trying to figure it out as I go. Been a saga with a '21 5. how can i After setting some negative values on the base minimum spark from 2000 RPM and disabling the DFCO my rev hangs at whatever RPM is above the minimum spark and it cuts ignition. If you're wrong, part throttle trims long term wont populate. Show Printable Version; 11-21-2019 #1. No matter how light I hit the throttle. Also, i think this is somewhat related, my DFCO can take up to 4 seconds before it cuts fuel after taking foot off the throttle. 7 with manual 6spd. 0. I have tried everything that I have read about. It could be the transmission. Any ideas to help? ALSObig one! I keep getting P2112 and the car goes into limp mode (Throttle plate stuck closed). Author. It's a stock engine with Camaro intake/exhaust manifolds for fitment. Finally got it to be driveable, but the rev hang isnt perfect And it seems to not have much power. Here is the tune file used to make the log. I did the same on the 2014 SHO. Battery died so I jumped it and when it revs it hangs around 3k for a bit. I take ABSOLUTELY ZERO CREDIT for the length of I'm going behind another tuner trying to help someone out, 07 sierra 6. Your tables should follow Base and Borderline the majority of the time. schpenxel. I am having a rev hang issue and it does not go away after a pull until I stop. Trans Revs/Mile: The number of trans output shaft revolutions per mile. : It can become addicting once you get the hang of it and feel comfortable using it. Any suggestions? Btw, this is my wideband cfg, but it wasn't hooked up. 2019 Ford Mustang GT KB A10. Has anyone figured out a way to tune it out. creek-ranch. Idle HPtuners dealer and tech support email= [email protected] 08-14-2023 #5. Gotta wait a couple seconds sometimes when doing a 1 --> 2. I am running into a wall when modifying my VVE table. f. 1st time asking for help so I'll try to include whats needed. Ive looked through pages in here and found many different suggestions on how to make that rev idle hang less, or completely gone. It will do this intermittently and randomly for the duration of the idle. hey i have a couple dfco questions i cant really seem to find an answer to when searching 1) changing dfco settings dont seem to have an effect on entry speed for me upon coasting. The trans tune I have now seems to work well with the pedal follower, up-shifting and kicking down exactly where you'd expect. Thatwhite5. If I slow down while in gear below 2. It's not really what I would call a Rev Match, it's more like a Follower/Cracker/Dashpot function. -Eric Hi, I've recently got a lt1 out of a 2018 Camaro and I plan to do a swap with it. Once I come to a complete stop, it will continue to stay at 1500 rpms for about 8 secs than drop to normal RPMs. This is my second S10 ZR2 but my first manual one. For example, I go WOT with pedal, engines climbs in the RPMs I let off around 4k and it sits there and slowly I have a 2009 M6 Challenger with a 426 stroker 270 cam. The RPM limit is set to 7200 rpm and I've got the shifts programmed to happen at 6700. Too little and we're again just wasting time, and too much and we're overreving and causing excess wear as the clutch has to bring it back down. There are so many variations of CAM angles and you can only modify the VVE able at 0* intake and exhaust. Comment. Dealing with a revhang issue on a 2015 supercharged S550 after TR6060 conversion. i was told that it was probably the tb getting stuck open Still new to tuning, reading all I can but my cam / heads C7 A8 has a 3-5 second hang on throttle revs that makes coming to a stop a bit annoying sometimes or revving at a car meet impossible. fordman114. can someone please take a look at the log to see if anything stands out. ARCHIVE, Hanging throttle with a late model GM? Check out The Tuning School's free video for a solution! Greetings. View Profile I've read countless threads about the Dodge ETC system and how to tweak (trick it) into achieving improved throttle response. brandondavidson28. Again it's to seperate issues I'm trying to address, a rev hang no If 2011 is Spanish Oak, then dashpot may help a lot when decelerating/throttle hang 02-26-2019 #9. I have been searching, reading, and testing like crazy about dashpot; but, still have more questions than answers. When it does it it logs Tip-Out Torque Limit and rev hangs at 5k+ RPM. Tuner couldn't figure out why. Ended up leaving gear ratios same for 1st an Im new to the fuel injected MOPAR world. Close the throttle more Or you may have an intake It's not terrible rev hang but it is noticeable. 2012 Charger v6 MOD. I recently did a cam swap and DOD delete on a 5. 3, 0411 pcm, switched to E85 with a 02 OS from a tahoe taht was a DBW. No problem man, i hated that rev hang with a passion lol. Anthony Pescatore. So I am still new here and couldnt figure out how to search this thread. Will drop back to idle once I come to a stop. 99 Gmc sierra LM7 5. If you did that in your tune your car would drive like complete crap. It feels like fuel cut off or torque management but it only happen after installing the flex fuel sensor. When I first got my hands on this truck, I diagnosed a very weak fuel pump, had a closed loop fault that I fixed, & 1)The car hangs on the upper RPMs for a few second after revving the engine. However, if I drive the car and I'm downshifting for a turn, the engine will maintain or increase revs to ~2. Yes I have increased that value. Does anything jump out at you about it and why it would act the way it does? The same happens when I downshift and rev match, the revs hang too high and the shifts end up BMR UTCA057. What Im noticing on the scanner is the idle over/under speed doesnt kick in for like 4 to 5 seconds. set to idle at 850, It's not perfect, and is slow to return to idle when revving slowly to 1700, but it's better than when I started. sgfreak96 Junior Member. Hey guys I am new to the forums and to tuning. 6l80 1-2 shift hangs Hey guys, I have an 09 1500 silverado. HaasExp. Included below is the log file, tune file, and the layout file for my scanner. My car has already been dyno tuned using a wideband, so I don't want to mess that up. In manual transmissions, it can do the same, exaggerate, and idle higher. With this setting on when I reset the adaptives the car runs fine. Trickflow Cam 216/220 . Just finished putting together an article that should be helpful for anyone new to HPTuners and Ford Tuning How to tune your Mustang using HPTuners If there are any questions or errors, please let me know. Show Printable Version; 11-15-2015 #1. I'm not sure Ok I love the car so far but this rev hang is getting on my last nerves. Eventually the car will drop down from 2000rpm to normal idle. Idle at any other time is fine. 9L whipple. . Check to see if the parameter is available using the latest Beta. I am experiencing a weird 1-2 shift. 73 gears. it is not a final setup. Dealer said it was due to emmissions. Go. this is a buddys car and he had done by local tuner the tuner seams to have motor dialed in pretty good. When i fisrt intsalled the Larger throttle body it would shift quicker than it did and the idle was not correct. 08 aircharge. Thanks, Enclosed is the tune and data log. Having to sit there and wait for the rpms to drop after pressing the clutch is killing me. The tune I posted was Rev 25 after lots of changes trying to get something to work. (I suspect some additional idle tuning is still needed) 2)I tried to launch the car today on the transbrake and it felt seriously underpowered. Car is a 2015 with a rousch TVS, Twin 68mm TB, Long tubes, factory fuel system with unknown injectors and a boostapump. Otherwise, email hptuners support for guidance. You have so much timing on MBT, that MBT timing is holding the rev out causing it RPM to hang. Lets say I have been driving all day and decide to get into the throttle a bit, well after I let off my RPMs will hang at anywhere from 2500 L83 Swap Throttle Hang Issues; Page 2 of 2 First 1 2. I've checked everything and had the blower on and off several times. I've got it on a custom built engine cradle with it's 8L90. Hey everyone, I've been stuck on this for a few days now and figured I'd reach out to see if someone can assist. Courses. What tables do i need to adjust to correct this or to propery install I've got a 2015 Corvette Stingray A8. Hoping someone can point me in direction. Hey guys, I have a 1999 Chevy Silverado 5. daltron Rowing All Day. I would do this back to back on the track without problems. The 2015s have no idle air tables. For HPtuners and HolleyEFI Remote tuning services email [email protected] instagram: tunedbymmt. HPTuners. Long story short >had a tune on the car when I bought it >Car ran badly at cold start, and ran great when warm HP Tuners GM Gen III part 18 takes a look at how the throttle follower and throttle cracker tables interact with the idle control routine. The car seems to idle well enough with decent AFRs to begin tuning but when I rev it up it wants to hang at 1500-3000 RPMs for quite some I thought i would share some E38 PCM info that may or may not have been covered already to save the next guy the misery i went thru with a customers car. My question is, will the tune be able to remove the idle hang and rev hang between shifts in a manual transmission? Edit: I figured out the search function here, first forum I've been on, and found my answer for rev hang. Hey guys i have tried to change a heap of settings to stop the motor from revving so high on initial startup. I've adjusted the Only thing Iv managed is to get a throttle hang at 2,500 RPMs. In D the car jerks a lot. 0 lq4 with a torqstorm supercharger and am having an issue with the idle speed. It runs semi smooth but keeps kicking and making a pop noise out the exhaust. Originally Posted by Bill88stang. Like. 0T LTG with E80A ECM in a '17 ATS. It uses the egr port for the aem wideband. I Have attached a log and the tune file. Also when WOT free revving it doesn't seem to go over 4k. It only happens from time to time but when it does it is bad. 2021 H/C/I 1SS Camaro idle hangs @ 1000 rpms can any one point me on the right direction on idle torque tables, thanks HPtuners dealer and tech support email= [email protected] 04-06-2024 #3. Rev up in neutral and it hangs up at random RPM, sometimes going up, sometimes going down. Pulled back to 3rd gear and ran it up to 6250 and spark shut off and the same with 3rd gear. After a few miles it starts to rev hang between first and second when taking off from a complete stop. 9535995360 ive got the ve pretty dialed in but every time i drive it it seems to want changes in the lower areas. 3L the revs hang for awhile after a hard rev. If it has been Hi Thanks for checking this out. Received the tune this morning and the fun began. Implementing these methods such as altering the DD tables, flywheel % power, throttle body airflow etc have definitely helped and slightly enhanced the response on my 3. With the 17 and 18, it would bang against the limiter and hang up on the shifts for a pass or two then become normal. 12-26-2020 #5. Discuss all things tuning in this section. So the next rev of 3. Any help or insight would be greatly appreciated. View Profile View Forum Posts Private Message Tuner Join Date Dec 2021 Location Spain Posts 53. I've attached the tune and a datalog. ****Updated for Resolution Post #20**** We installed a forged LT4 and blower into a 2019 C7 GS and I'm having a problem with the system regulating pressure correctly. I can submit tune files and data logs if needed. even if i set the entry spark crank refs to 1 or 0, it still takes the normal ~1 second after letting off the gas to enter dfco and start engine braking, popping and decelerating. What is happening here is the PCM is adding airflow via vehicle speed. 3 gen IV LS. while stock, i would have a hanging idle while revving the car in gear. 0 KB, 4 views) 2012 Charger v6 Orig. My question is, will the tune be able to remove the idle hang and rev hang between shifts in a manual transmission? Edit: I figured out the search Too much advance can cause rev hang. Tech Articles. 3. 3rd and 4th are ok. but the big issue is the idle not sure if related, but in I would like to install larger throttle body on my setup. 2 of 5. I suspect that it has something to do with base running airflow but This GT500 has an intermittent rev hang. He wasn't going to mod the car but he wanted me to tune it just to get rid of the weird pedal feel. On a downshift, we reverse this process a little, we actually want torque from the engine to help us speed up the shift (raise the engine RPM and rev match!). View Profile View Forum Posts Private Message Potential Tuner Join Date Apr 2022 Posts 1. Stock DD. (Log THROTTLE_WOTSTUCK) This seemed to correlate to the Predicted Angle table where manifold vacuum and effective area are causing it to command 15 degrees open. BMR TCA045. Car will idle normally, I can rev at Idle and RPMs drop normally. With using HPTuners. It is annoying to get a swinging rpm idle all the time Whether I move the base idle airflow up or down makes no difference along with various afr's and timing. Oct 12, 2016 #1 S. 6. 07-05-2020 #17. Jump to page: Results 21 to 34 of 34 Thread: L83 Swap Throttle Hang Issues. However, I thought on autos changing the rev limit using a trinity does not allow the car to rev at the new rpm in park and neutral. Paid the tune revision and spoke to them about revising the tune for the TR6060 gearing and 3. I cannot remember how to do it? Any help would be appreciated 06-22-2017 #2. It does it every time. So far this forum has had the answer to every problem a new person needs to make a swap work. 5y. Fueling and spark, and typical changes did not work. Almost acts like a vacuum leak, but I can reupload the factory L33 tune and it doesn't do it. Initally the car rpms would hang between shifts drving thru town and highway. Something is limiting the car. But each subsequent revision he sent lead to a rev hang at 1400rpm after about 15 minutes or so of driving (fine for the first 15 minutes). It just seems like it hangs during clutch in and slowly drops down. but the trans shifts weird. I would like to get this resolved so I can start VE tuning. Car maintained a steady 800rpm idle without much dip at all during engagement. I'm currently trying to fix a rev hang issue on a 2018 Corvette A8. It's very apparent from 1st to 2nd gear. I have a small workshop based in East EU. I would like to study tuning these. 7 hemi MDS deleted and VVT locked out with a cam in it. 5 if the engine is below that point. I have been reading and reading on this forum and its really hard to pull all the useful info (That relates to almost stock setups) out of the threads since most of the threads either start with blown or cammed motors or end up there anyway. Revving from idle causes a rev hang to 2500rpm for an extended period (~20s) before settling Hi guys, I'm new to the MOPAR side of tuning and having some trouble with a car I just put together for a buddy. For other Dodge this is active. 2K. hpt (734. As i depress the throttle slowly the I have played with this for a long while and cannot get the idle to stablize. 5k while I'm driving, or when shifting while driving. #lsxmotorsports LSx Motorsports The only issue I have now thats annoying me is when I'm in park and I blip the throttle over 2,000 rpms; the idle hangs and takes it's sweet time to come back down to the commanded idle setting. I don't believe you can disable it with Forscan, you'l need an Accesport + tune to disable it (or HPTuners, but I highly reccomend an AP for tuning on this platform, as someone that currently has and uses both). i have heard many thing from it can be fixed with a throttle reset, to that you Dont know why HPTuners didnt give us this. The Thread: P01, LS swap, won't rev over 2K, OS 9381344. However anything above 1700rpms hangs, sometimes for 5 seconds or more, when returning to idle. The same with dashpot. Multiply the throttle body airflow model by the percentage of increase in size of the throttle body. 0 with an unknown cam. I am unsure the reason for this and want to sort it before I continue tuning. When im in "normal" driving conditions and push in the clutch for a slow, normal gear shift the RPMS hang for over a second sometimes. Thought it was just my car, so I drove a new Honda civic hatch and the rev hang was even worse (but the civic was much less punishing on rev-mismatches, for whatever reason). If someone could review my datalog and my tune, please offer assistance. Joined Apr 29, 2015 Threads 52 Messages 2,539 Reaction score 784 Location California First Name Jonathan Vehicle(s) 2016 GT PP Mar 9, 2016 #2 I enjoy the hang I remember having throttle hang issues on my manual trans challenger but it was fixed by increasing the airflow table. exponent81 Philipp Mondelaers. Hey guys, I've noticed on my 17 Silverado 5. When I let off of the gas the deceleration rate is very slow. 75 SRT exhaust with dynomax mini for the Mids, and no rear mufflers. 7, M/T, COMP Cams 274 phaser limiter cam (w/ limiter, of course), FIC 775cc/min Injectors, ARH 1 3/4" long tubes with off-road pipes, K&N CAI. Start at you “part throttle spark” first row. Reduced TB airflow tables to give more air/TPS and that seemed to fix it very well under all conditions and revving. The engine hangs at 1300-1800 rpm during gear changes and is also slow to return to idle at traffic lights. This value is used to calculate the speed that is used for shift and TCC calculations. Later, it developed a throttle hang on free rev and a little bit of cruise control effect. I figured that our best bet is to try to consolidate as much info as we can, into one reference thread. Share. Has anyone else encountered these issues? Hello guys. It's showing 2-4x the desired How do i control the min RAF in the Dodge approach ? Is there a table that control min idle airflow per rpm ? if so i don't see it. For instance in P/N just a quick rev of the throttle it will go to 4,500 rpm and then just hang there for a second then There's still a bit of rev hang without the ARM, but that's on par with most other contemporary fuel-injected engines and is quite tolerable. Doesn?t actually run like cruise control but it's kind of like feathering the pedal to slow down very gradually. I'm guessing it has to do with low airflow across the maf + the throttle body. minimum idle air flow to high possibly, take more spark out on the CEFCO table 01-25-2023 #3. When it idles it sounds great. 7 with a healthy cam that needed a lot to get it to idle from the beginning. rev hang General Tuning Discussion Forum Posts. Im not sure where to begin. 2012 GT500, Whipple 2. With the preliminary tune I got from him, everything seemed to be fine (fine also with factory defaults). In the factory tune P/N is limited to 4k rpm revs, i changed the limit to 6K, and i was trying to show how the ol Jeep can now rev to 6k rpm, but when i get there, the rpm seem to hang for a big while before they come down. Best Rev Hang Upshift RPM Pause. Other than that issue, it idle perfect, starts up warm and cold Your MBT table is far too advance at low loads. It is Rev, 14. I have limited tuning knowledge but can follow directions pretty well. While this is happening, the throttle closes to about 14%. disable rev hang in the trans tab. Try it in neutral or park. Clutch dampers or check valves or a DMF can hinder the clutch engaging and disengaging but is not considered Startup high rev Hi, been away from tuning for a while and was ask to remove or tone down the initial startup rev on a few trucks/SUV/all ls's. Benjamin Lopez. I tried retarding timing in the idle stark advanced but nothing yet. 3)I got on the heavy foot on an empty street today and the car felt like it had no power! Hey guys, trying to figure out why revs won't drop below 2. My idle falls very, very slowly from 2000 to around 1100 then it remains there for about 10 seconds before returning to 825 target idle. I have pulled timing, lowered my base running airflow, changed the throttle cracker and follower. Basically, the car starts and idles, but the idle surges from 875ish to about 1100 briefly before settling back down. Its enough where I can't shift fast like I would for racing and if I do it jerks the car hard. Tried adjusting every single idle paramater, copy/pasting from gt350 map, changing torque inverse My issue now is rev/throttle hang. I have a 2011 5. 04-22-2023 #5. IDLE TUNING Foreword by Rinkrat456: This article is literally copied and pasted from Krambo's Silverado SS page. ), so I am glad that I found your thread! This will be my first time diving into HPTuner / Chevy tuning, so this will be a learning experience for sure. So I imagine they are related to the same airflow issue. I have recently bought hp pro and am very new to tuning. Hi, I've searched these forums and VCM Suite help for days, but cannot find any way to get my damned LS3 to return to idle swiftly. Does your idle hang until you come to a complete stop? Watch this totally FREE video to learn how to fix it using HP Tuners for Corvette Chevrolet Camaro plus any LS powered vehicles. Ill include my tune file if someone could take a I know Dan started a thread on HP Tuners forum, but curious about rev hang issues, clutch switch inputs, and the tuning for DFCO (or any other settings). Also seperate issue it has a whine as RPMs fmgrow but at idle I hear a chatter wondering if that could be my torque converter. Sponsored . 3 comments. Just like the title says I'm having issues with it returning to idle, it just won't recover. P01, LS swap, won't rev over 2K, OS 9381344 BTW I posted my stock and SC tunes on HPtuners under the alias Casper. Gold The car also doesn't hang anymore, since the feedforward table is now calculating a closer servo position. I don't notice it anytime other than free revving, the car runs and drives fine other than that. AlGarza864. So its like it set my rev limiter to that. View Profile View Forum Posts Private The Charger is slow to rev down after letting off when winding a gear out a I have a 09 G8 (l76) that ive been through several tuners with and noone can seem to get it right, so i decided to get myself HPTuners and try and learn the ropes. I'm in California and I definitely have rev hang. Originally Posted by Eric@HPTuners. It seems to do it even Rev Hang Upshift RPM Pause; Results 1 to 14 of 14 Thread: Rev Hang Upshift RPM Pause. When coming to a stop, it surges a bit and drops idle down, but doesn't die. Related Reels. The car made great numbers on the dyno but the low end street manners are terrible. He is an HPTuners member on this site. The Tuning School. View Profile View Forum Posts Private Message Tuning Addict I gave it a rev and it gracefully returned to idle. Just swapped in TR6060 and having trouble building ECM file for a manual configuration. png. DFCO was enabled, everything else stock. View Profile View Forum Posts Private Message Advanced Tuner Join Date Feb 2017 Location TX Posts 760. I have the ECU forced into speed density. I have also bought the tuning school Level 1 GM books but for the life of me, i cannot get rid of the hanging Idle. From vehicle diagnostics, data logging, scanning, and I also have a Keisler LFX swapped RX8 and I am also interested in fixing some items in the tune (rev hang, accel pedal mapping, etc. Its drive by cable. in the old days that would playing with RAF but those tables dont exist in a torque based control anymore. As fuel, airflow, and spark goes the vehicle is Newbie here. I wonder if an email to Lund, AED, or PBD could pull up your VIN? Might be worth a shot. The effectiveness of your result will allow the car to be in closed loop normal and not hang in open loop off pedal or cruising. 3 manual trans and with no VSS input to the GM P01 PCM. View more comments. Any ideas of HP Tuners offers the most comprehensive diagnostic and tuning software for GM vehicles in the industry, from the 1997 Corvette LS1 to the 2021 Camaro, 2020 Colorado, and the 2017+ GMC Sierra/Chevy Silverado 2500/3500/4500/5500 Hi i recently returned from a 1800 mile trip with a few hiccups along the way nothing major and noticed now that when the car is warmed up that it has a tendency to rev and hang around 1500 rpm when the pedal is touched. Edit: Nope I was wrong, looked at my old tunes and I decreased airflow by about 20% at 0. View Profile View Forum Posts Private Message Im in need of some help, i have loaded the file, its 5. It has a 6sp manual in a 68 c10. When the car is revved in neutral the RPMs stay high and take a while to fall back down to idle. 1824 Views. The Currently I have a lot of rev hang on shifts. However it now dies after a rev (no big deal, I haven't even tried to work on it) but an odder issue is that it will idle for a bit and then die, as if the throttle servo is HYPER sensitive. Even after i did a tps reset. I'm relatively new to the A8's and have no idea what is causing this. MM caster/camber plates. Only disabled DOD and bumped up rev limiter in park and neutral. Joined Sep 23, 2016 Posts 17 Reaction score 0. I haven't done anything with the Gen 5 engines so In this video I show how to raise the fuel cutoff and raise the shift points on LS1 powered Fbodies using HP Tuners. That is already disabled 04-14-2023 #6. I'm running a 5. Trying to get some pops going through the exhaust don't go crazy otherwise it will hang as Neural thing will interfere, or as I think so. We jump into the Got my first manual a couple months back, a new GTI. I only really have 2 issues with the tune, WOT is great, higher RPMs are great, but if Hi Guys! Been awhile again but my favorite forum always seems to bring me back! Hey a couple years ago my son bought a '16 C7 Z51. All reactions: 35. Also wouldn't mind some advise on disabling TM and getting a few basic hp out of it for the time being until I get lernt here on the forums/books. Thanks, Will the HP software allow a user to eliminate the bloody rev hang that plagues the later (2013-15) 4. Thread starter sgfreak96; Start date Oct 12, 2016; 1; 2; Next. Help Rev and let off for pops. 7 with a 274 Cam 2. i have a 2014 ram with the 5. 560, I have been fighting this cam on idle hang since ive bought the truck. Next Last. I have attached a log file and tuning file. 0L trucks? I loathe the rev hang with a manual, it makes me want to explode. We don't have a wideband and all tuning shops in our area told us they wouldnt touch it because the VSS shows 158MPH at all times since the ECM is from an auto I have a Gen V lt1 swapped Firebird. But turning the car on or cruising at 1-2k it will hang in that area. Any ideas? I've looked at external load, VT and others and cant find a smoking gun. Does anyone have idea what table or setting this could be? I already adjusted throttle cracker but it has no effect on it when the AC is on. I have a 6. View Profile View Forum Posts I finally made what could be a useful log if anyone wants to take a look at it. View Profile Hey guys, I'm having a heck of a time getting this throttle body + intake to not rev hang. what tables are in play during shifting? im getting idle hang ls7 t56 magnum swap vehicle. hpt (733. It doesnt hang it is just slower coming down. Read several posts that say this is a normal condition. Has anyone else ever played around with this before? Ok I took my car to a local tuner who is new in town to be dyno tuned and he tunes with hp tuners. View Profile View Forum Posts Private Message Moderator Join Date Mar 2014 Location Raleigh, NC Posts 6,359. Tuning a 2015 mustang gt w gt350tb and manifold and 47lb injectors. Higgs Boson. i am not sure exactly why that is. Put it in manual stick mode. News, products, problems and results. Roger My main issue is a hanging idle. It is a M6 without any speed sensor, using 19201861 GMPP e67 module and harness kit. Rev hang is the worst! Great vid. It also still hangs in park if I rev it. 2014 GMC Sierra original L83 w/ 6L80. I'm using the HPFP Tables from a 2019 Z06, and also tried the stock tables with the same result. I just need a little guidance on what I should mess with or what to HPtuners dealer and tech support email= [email protected] 01-11-2024 #3. Rev hang driving me nuts. I've self-tuned other platforms in the past though. Working with the seller is very tedious so I have come here looking for support. View Profile View Forum Posts Private Message Tuner Join Date Dec 2016 Location I know this has been addressed before however i havent been able to find a situation similar to mine. Thread Tools. Also - when I rev it (parked) it revs up smoothly, but when I let off, the car Hi there wonderful people! This site has been wonderful with me getting started out with a LS swap into a mustang. 5 KB, 3 views) 4 Weeks Ago #2. I did ALOT of searching and was not able to track down an exact answer. I turned the AC (normally all hell breaks loose when i do that). It's probably my favorite mod I've done on the car and completely eliminates rev hang and lag, I imagine it'd be great on a 6-speed Challenger. 2nd gear and the rpms ran up to 6250 and spark shut off. Only does it in park after I go from Drive to Park, or when I Rev it up. I know this has been discussed with the Gen III/ IV stuff but is there a fix for this on the Gen V? Thanks in advance. 7 and was wondering if anyone knew a way to reduce or get rid of the throttle lag after a rev going back to idle. Originally Posted by vndetta79. On my burble tune i get nice burbles in P / N, but the revs hang a bit at 5000+ RPM. The idle will just jump to 2500rpm and hang for almost a minute in park and drive. The car his an airaid cai without the maf insert, long tube headers, mutha Hey guys, I've noticed on my 17 Silverado 5. The ECU sees the throttle in idle position and pulls RPM down by cutting timing. Firstly, you need to add "Aircharge" to your channels list in the scanner. I purchased a remote tune last year with HPTuners and my car has ran pretty well! I asked for a conservative tune and it definitely isn't anything aggressive. I'm at a total loss here. There should be general concepts on tuning dashpot I cannot get the surge 100% gone and now there's a huge throttle hang at 3500 and any rev to 2500 or more takes forever to return. Almost the whole log, your Spark Source is in Torque Control. 9 Whipple with 10lb boost. A custom tune can get rid of that, too. So what I am looking for is how to tweek the tune to get the 20-25 hp and the responsiveness that the predator tune gives you. View Profile View Forum Posts Private Message Advanced Tuner Join Date Nov 2019 Posts I have an 04 dodge neon srt4 and i use to have a Diablo sport for the tune and i bought a base tune from someone in the states but i have a lot of issues with the tune, so I decide to use HPTuners and fix some of them But i cant really find the way that the PCM works with the cruising and Idle afrs, i can say that in WOT afr & timming is where i want or at least i can This creates a safety hazard where the engine can suddenly rev out or 'hang' when a malfunction occurs that the ECM can't control with ETC or fuel: like a loose intake manifold or a stuck/jammed throttle. I have performed successful manual swaps in Caprice PPV and Gen 5 Camaros in the past but this LT OS is a different animal and I have spent hours trying to come up with the right solution. 1 of 2 Go to page. The pause is within 100 RPM of the next gear's entry point. I have a 2014 Charger RT, longtubes, Catless, 2. This is a speed density tune, there is no MAF. 50V from stock values. it acts as a shift smoothing function, Originally Posted by Eric@HPTuners. when sitting at idle if i rev the motor a decent amount it will then idle at or above 1000rpm then if i lightly give it throttle it will then drop back to a proper idle. Put TQ model to stock. Any way, I'm having rev hang issues between gears on my 1999 Trans Am car is full bolt ons cam and drives great with the AC off but when I turn the AC on it will hang when pushing the clutch in to go to the next gear. Wondering if there is a way to get the throttle to respond faster in park and neutral. Unresolved Threads = Resolved threads Reply. 1. Show Printable Version; 04-19-2022 #1. Joined Jul 6, 2016 Threads 1 Messages I noticed that when coasting in neutral, if I rev the engine with the clutch not pressed, there is a lot less rev hang. Long story short, I now have 3 HPtuners licenses at this point for this car and I still haven't figured out the rev hang issue. In fact all I did on the SHO was tweak the WOT tables and it was good to go. SVT Wylde Well-Known Member. 09-29-2016 #9. Corsa sport cat back. I tried reducing fuel pressure to stock below 30 mm3 across all rpms's to stock and it didn't really make a difference. Thus far the only thing ive tinkered with was the MAF curve, as my fuel trims tend to go negative, still trying to get it dialed in. It will shift from 1st into 2nd, rpms will rev up, and then it feels like it shifts and locks into 2nd after that. Everyone uses sct with marty's speedshop, but I hate having to use mail order tunes and am determined to find around it. Thanks, Greg It's what the dealers do when fitting the TRD/Magnusson superchargers. I was originally going to mess with a 2003 mustang gt tune because it has the same But had bad idle hang, it would just stay at whatever RPM we revved it up to and never come back. truck is a 2008 5. Screenshot 2023-04-21 115359. So my throttle hang is practically gone and the engine drops to the set idle settings. It Usually spark is retarded to brink an engine into idle. The car has been tuned and idles, runs, and pulls pretty good at WOT for a stock truck engine but the everyday driveability (or lack thereof) is what's killing me. There is some sort of rev limiter I'm hitting at 6600. 35V to 0. I'm trying to make hardcut rev without success Rev pointer hang Please help to fix it Best Regards Attached Files. I am having problems with the electronic throttle. LS ROB. The learning curve is significant I seem to be having a bit of trouble getting my cold start and warmup setting sorted out. 565875658856589 I've experimented with it a lot and nothing helps. Ive watched video's, and it seems they all contradict each other at some point. You can, but you must change your technique and use the pedals like someone who's driving for the first time in their life would. I have ridiculous rev hang between shifts and I've replaced, checked, and adjusted everything. For whatever reason, I'm having a lot of rev hang in between shifts. but if over 2k decelerating it will come down and if I stall the car to under 1k it will fall to idle of 650 rpm. I took the cat out last night. Make 1500 rpms to about 4000, -15 or so. 27 will have that fixed then. Idle control is totally torque based. BMR TR005. Then work from there and make Occasionally, it will hang at 2000 for a couple seconds, then hang at around 1600 for another couple seconds, and then fall to 1100 again and repeat. Halligan, Mar 24, 2019 #3. 9, DW750cc Injectors, 15% lower pulley, Ford Racing Twin 65mm Throttle Body, JLT Intake, Cat Delete P59 stock everything, DBW 2003 truck. edit: be sure to read post two as i have an update first ill give the issue, then the details or the setup, and last ill be smart and post my last log and tune file to skip being told to post it up. (A tire sanity check value is provided alongside so you can check the trans tire size calibration against the Totally normal, the stock tune has exactly what you describe, "throttle hang" or "rev hang" on shifts for a few seconds. Rev after throttle input I am new to HP Tuners. The idle is absolutely perfect though Hey all, I'm looking for some help with a hanging idle issue. Here are two ways to fix that hanging idle using HP Tuners throttle cracker to contr high rev when shifting t56 magnum ls7 t56 magnum swap vehicle. Also there's a 1 second delay between shifts ONLY when using no lift shift over 6100rpms. The axis on the left is Gents, When my car is warmed up driving around; I put my car in neutral and coast it will rev to 1500 rpms. He, like almost everyone else with one, noticed the annoying throttle lag/response. Nothing. Is there another setting I need to change to get it to work without a VSS? Only other thing I can think of is In automatic transmissions, this can make the car lurch forward or pull. like it keeps locking and unlocking. . Since on OLDER trucks upto 2016 is set on PLEASABLE, i have done the following: Go to SPARK >>> ADVANCE and in MINIMUM FINAL SPARK where your vehicle is on REV LIMIT start with 5 DEGREES and it should give you the rev limiter. 5k and take my I am trying to get the DFCO to work on my Jeep swap with a 5. 02-24-2023 #9. I really wouldn’t know how to find if the 1st owner tuned her. Wondering if there is an HP Tuners expert in Hey guys i am seeking help on how to set a proper hard rev limiter that the truck will sit on and bounce quickly rather than just hold steady rpm. Do I need to adjust the numbers within table 35101 Desired TQ Minimum FW Tq? Thread: 5. I am having problems with the throttle hanging and not reacting as fast a i would like. It wants to flare (or hang depending on rpms when the clutch is preseed) to 2k rpms, It stays there for about 1-2 seconds then drops Is your idle not dropping when it should on your GM GEN III? We got you. i understand that the o2s are not working and i have new ones ordered however i dont believe that is the Hey guys this is my 1st tune related post so if it is easy or stupid please don't shoot me. Blog. Specs on the car are as follows: 2012 Challenger R/T, 5. 2018 TA plus challenger. When you go to rev it, it lags. We retrofitted an LS3 into a 66 nova and based the system off of 2010 camaro components with a 2010 corvette gas pedal all supplied from the oufit that sells me custom wiring harnesses. View Profile View Forum Posts Private Message Potential Tuner Join Date Apr 2023 Posts 6. So it just shows a flat AFR across the board. Nothing seems to have much of an impact here. Always good info from The Tuning School ! 5y. probably a big player for the rev hang and another reason for low timing expecially in the off idle area for the rev hang Ok i have asked HP tuners for the IMMEDIATE TORQUE TYPE and they said its no longer available. I also noticed that at normal idle (800rpm) IAC is at zero. Then, when I press the clutch in like I'm shifting normally, @aaronc7 is using HPTuners to define and edit Has anybody played much with the 103mm throttle bodies and their response? have one on my stock cammed LT1 with headers/MSD/ported heads and throttle response up is great, but it is slow in coming down. So when i start the ls1 up it instantly hits about 2000rpm then drops back down to about 1000rpm until its got a bit of warmth in it then lowers to its 650rpm. I've got it running, although having very little experience with this engine, but it seems like it's missing when it idles. Turning this setting off is the only way that my car will not rev hang between gears. blindsquirrel. Here is an earlier tune where everything seemed fine except for the stall. The idle section in the tune I posted has a lot of temporary changes trying to flush out the issue. This is the first US based car I have ever worked on. what tables are in play during shifting? im getting idle hang when i shift. Mods are Centri, Cam, and ported heads. I am just trying to get everything dialed in. I'd like to inquire with HPTuners about that functionality and potentially incorporating it in a future release?[/QUOTE Been looking through 2015 Z06, F1X procharger, cam, flex, CR3. ARH 1-7/8 offraod headers. Thanks. There is some information scattered on the forum, mostly in threads specific to one throttle body. installed a procharger a month ago with 60lb inj, 400 lph fuel pump, i3 diablo and new unlocked pcm. I know this has been discussed with the Gen III/ IV stuff but is there a fix for this on the I'm having rev hang issues between gears on my 1999 Trans Am car is full bolt ons cam and drives great with the AC off but when I turn the AC on it will hang when pushing the clutch in to 2013 MK3 Focus ST3 finished in Tangerine Scream with a few OEM+ Additions. 7 hemi idle hang if you rev engine going less then ten mph help? Thread Tools. I have since made it a mission to research and learn how to do my own tuning for my car and have spent the past 3 weeks studying EFI tuning courses as well as Stalling issue was there before he raised them. That was like 3 years ago. disable rev hang in the trans tab 04-14-2023 #5. After my 1st flash, I am getting REALLY bad rev hang. However, the input from the logs display VE at multiple CAM angles. ive tried setting it to spark only and spark and fuel cut so far, tune and log is attached, any input or help is appreciated. Shifting from any gear to neutral while cruising, idle will spike to 2,000 rpm's or so and hang there for a while. I'm trying to figure out the tables to increase the deceleration rate. So, I got this 2004 Denali thats driving me NUTS. When logging, when I lift off the pedal the pedal value bottoms out, but commanded throttle doesn't follow, it lingers in the 15% range before dropping. Got to go through the tunes to see what exactly was done. Im working with a known Coyote tuner that the car is currently tuned with. Coming from an older car this was never an issue, and and thinking about getting a tune and saying forget the warranty. Show Printable Version; 12-09 It does affect the decel rate along with rev matching on the manuals and so on, but the way your doing it is what's hurting the rest. Occasionally, it will hang at 2000 for a couple seconds, then hang at around 1600 for another couple seconds, and then fall to 1100 again and repeat. 3-4l80e. Put VE model to stock. Torque management left untouched. Ben Charles. Should get some cracks and pops. 4K. rmjkv rkryeo rblsc shnsy svxlcwr thfq tunuqn hgwaj uypzrdu rdsgc