Gen 4 e38 idle tuning i currently can not get truck to idle. Today I finally came up with a consistent method to dial in base airflow that I haven't seen posted before, so I wanted to share it with the community. I do not have a Wide band at the moment. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you Hello All I have been messing with the idle settings for a little bit on my 09 LS3 E38 PCM with a stage 2 TSP cam and long tube headers. It's tuned as a manual trans setup because it has a TH350 behind it. elitetunedschool. View Profile View THIS THREAD OUTLINES E38 IDLE TUNING AND ADJUSTMENTS. 👨‍🔧 Building a fast car? Get $400 OFF the all-inclusive VIP online course package deal: https://hpcdmy. 2 tune, I cannot get the truck to stay running without throttle. Results 1 to 6 of 6 Tuner in Training Join Date Dec 2018 Location Calgary, Alberta. 04. Change your Dynamic High RPM Disable Followed the Goat Rope Garage Youtube video to get the vehicle into open loop MAF, and started to get that tuned in at idle up to ~1500 RPM under no load. Here's the details though. GM V8 Tuning - Engine, Gas (Gen 4) E38 Stroker Idle and start issues; Page 1 of 2 1 2 Last. Show Printable Version; 11-13-2024 #1. Jump to page: Results 21 to 33 of 33 But now I'm not sure since Alvin said it's in the idle base spark tables. The speed Density tables are messing me up. Jump to page: Results 1 to 20 of 38 Thread: E38 Stroker Idle and start issues. Returning to idle? Started by 3pedalsFTW, 4 Days Ago. Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. GM V8 Tuning; GM V8 Tuning - Engine, Gas (Gen 4) E38, stock 5. Tuning is going well but I suddenly have a surging idle at cold start. I am not a stranger to tuning however anything I have tuned before has been a speed density system. Cant get the engine to rev up a bit and hold steady rpm below 1700 RPM. ns158sl. Trying to get crisper throttle response when blipping the throttle off idle when in neutral. GM V6 Tuning - Engine; GM V6 Tuning Newb gen 4 idle help. Show Printable Version; 02-24-2020 #1. I have changed the air flow and other parameters to get the car to start and idle nicely. Site Areas; Settings; Private Messages; Subscriptions; Who's Online; Search Forums Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. I know this is due to the MAP sensor going out of range and flagging the code. GM V8 Tuning - Engine, Gas (Gen 4) E38 tuning help; Page 1 of 2 1 2 Last. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you GM V8 Tuning - Engine, Gas (Gen 4) E38 SD Idle Tuning Help; Results 1 to 5 of 5 Thread: E38 SD Idle Tuning Help. Skip to main content. 20- . There are many good threads (on this forum and others) regarding E38 / E67 Idle tuning. My car has a 218 224 112 cam which is I am definitely new at this ECM tuning but learning. DSoutlaw. 30 As you increase the throttle it will read higher and higher until wide open throttle which will read the same as outside air pressure – about . He is an HPTuners member on this site. This was not possible with the subsequent Gen 4 (58x / 4x) ECMs. It idles great, +- 25 RPM of set idle, no hanging, no float down, trims +- 2-3%. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. My car has a 218 224 112 cam which is Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. When starting cold, the engine will not run on desired Idle. PLEASE READ THROUGH ALL FOR INFO IN DETAIL OR PLEASE SKIP TO POST 25 FOR A FASTER SIMPLIFIED VERSION While the challenge has always lied in perfecting the VVE table I have found getting the perfect idle more challenging. Started by Speedboosted, 3 Days Ago. Issue 1: I have tried removing all proportional control and it still does it. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you GM V8 Tuning - Engine, Gas (Gen 4) e38 idle and off idle is kicking my a** Page 1 of 2 1 2 Last. So if we first found max idle Turn your idle timing down, then crank in base running airflow to bring idle back up. 95ttoplt1. Jump to page: Results 21 to 24 of 24 Thread: E38 Gen4 LS MAF Idle Tuning. :pray:Here are the specifics. Just Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. There are 5 main areas that control idle: Airflow final minimum, base idle spark, spark over/under speed, proportional airflow, and integral airflow. It seems that no matter what changes I make to any of the idle airflow tables or throttle tables I cannot get this vehicle to The screens are from my e38 though. net/F THIS THREAD OUTLINES E38 IDLE TUNING AND ADJUSTMENTS. I have been basing everything off a thread on here about Gen 4 tuning done by BigMike42. View Profile View Forum Posts Private Message Potential Tuner Join Date May 2023 Posts 7. This allows you to not only know exactly what the PCM is thinking but also what to change to get the desired results. Replies: 11 Views: 268; Rating0 / 5; Last Post By Quick Navigation GM V8 Tuning - Engine, Gas (Gen 4) Top. In this document, we will go through the basic steps to get your idle control setup using VCM Suite. Start with the MAF curve. L99 Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. Show Printable Version; 07-13 Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. This is my first experience with any kind of electronic tuning, and this forum has been my main source of info and a huge help - there's an amazing amount of knowledge here! The car I'm working with is a 2011 caprice, E38 6. Show Printable Version; 08-06-2024 #21. After zeroing b1845 Follow along with lead instructor, Jeff Evans, as he walks you through the advanced idle tuning technique on a GM Gen 4 vehicle using HP Tuners to properly tune the idle base spark and airflow Before starting the car after a flash, turn the ignition on, then press the throttle to the floor 6 or 7 times to skip the idle re-learn process. Show Printable Version; 03-27-2017 #1. View Profile View Forum Posts Private Message So I have a 2008 Pontiac G8 GT for right now I am just trying to get my idle tuned as I have not been able to get it out yet because of winter. return fuel system tune, i increase the stoich table by 2. I have a 2007 E38 with a Mild CAM installed. View Profile View Forum Posts Private Message Tuning Addict Join Date Aug 2006 Location I'm sure you have read the thread i started a while back on E38 Idle as well, but in case you haven't , here is the link to it. My car has a 218 224 112 cam which is Hey guys, I've got an E38 computer setup for a 2010 Camaro SS LS3 installed in a Mustang engine swapped drag car. 1. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you Support Those Who Support The GarageFor more tuning content check out our partner Elite Tuned School:http://www. Let me start off by saying Ive tried Go to the Engine tab and click Idle>Airflow and max out the Max Fail Effective TB Area and Follow along with lead instructor, Jeff Evans, as he walks you through the advanced idle tuning technique on a GM Gen 4 vehicle using HP Tuners to properly t This thread could really be titled "How do I get my idle to hang" and that would probably answer my questions. Follow along with lead instructor, Jeff Evans, as he walks you through the advanced idle tuning technique on a GM Gen 4 vehicle using HP Tuners to properly tune the idle base spark and airflow final minimum values. Roncomp. However, this car has a idle stalling condition when I move the car around in the driveway or on/off the trailer. Off idle is fine and any throttle blips above 2000-3000 rpm are super responsive. I just had it dyno tuned to finish off the majority of the tuning on the car. GM V8 Tuning - Engine, Gas (Gen 4) E38 Gen4 LS MAF Idle Tuning; Page 2 of 2 First 1 2. The cam specs are as follows TSP Stage 2 Cam 229/244 . Calibrate your fuel tables. Unfortunately, after copying over most everything relevant from the 6. If I'm in gear and bump into neutral anywhere from like 1k - 3k RPM I get usually get some flaring. 629"/615? 112 THIS THREAD OUTLINES E38 IDLE TUNING AND ADJUSTMENTS. So far, I been trying to continuously go over the engine it self trying to verify and weed out any mechanical issues but still seem to be somewhat stuck with following: Surging cold start up idle Hesitation on throttle when cold and when hot. it was running and idling fine before with no issues. My car has a 218 224 112 cam which is Reviewing Cammed LS3 E38 Tune - Sanity (Safety) Check. I can see the Throttle Control source changed from "Idle" to "Pedal" mode when pressing on the accelerator pedal. Note how much airflow required for idle operation 4. <<< A standard approach will give you standard results >>> My Free Tuning Software: Followed "e38 idle tuning guide" on these forums Turned off proportional airflow (via 4096rpm) Changed desired idle RPM's in all tables to be 800rpm out of gear and 800rpm in gear Put into Speed Density Mode (failed MAF) turned off closed loop Found (within +-5 percent) appropriate VVE values for around idle area. Gen 4 e38 SD cold start issue. have surging up and down. Show Printable Version; 07-26-2023 #1. Ill be honest I have not tuned anything Yet but Search for Idle Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. I have found over time by tuning a variety of e38 combos from blown to 240s cams on tight lsa to baby cams that an extra 4% add on is sufficient. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you Hello All I'm new to tuning. by at least 15-20% early e38 didn't get the idle trims but the later did, some of us still have to guess based on spark and commanded idle rpm v actual rpm Quick Navigation GM V8 Tuning - Engine, Gas (Gen 4) Top Site Areas Support Those Who Support The GarageThe Garage uses Frankenstein Engine Dynamics and the great products they offer on our builds:https://frankensteined. This procedure can be used with aftermarket At idle your engine will likely read around . attached are the two tune files. I cant get a tune to work with in gear (loads UP) If someone could take a look at my tune it would be great and give me some pointers. net/F I just finished installing a Texas Speed stage 2 cam in my 09 vette LS3 with a pair of TPS Long Tube headers and the car keeps throwing a P0106 MAP performance/range code. Jump to page: Results 1 to 20 of 26 Thread: E38 tuning help. I have watched several videos and have tried to understand the Forum thread on Speed Density. edcmat-l1. The lower timing allows the idle timing to function correctly because now when it adds timing, it Was wondering if you guys had any insight on Idle Airflow tuning on a Gen IV LS vehicle equipped with Electronic Throttle. 18 and divided the injector flow rate and afr term We explore what is possible with logging in VCM scanner software and how to read logs. I have a tune that is working, but has drive ability issues. Thread Tools. CptFalcon. I have done a pile of reading on this and have done a few things to the car with some success. co/offery173🦵Kickstart your EFI Tuning knowledge. View Profile cold surge E38 is because its too rich. Jump to page: Results 1 to 20 of 42 Thread: E38 runaway idle when rolling. Show Printable Version; 09-13-2022 #1. Take the guess work out of Thread: E38 ecu 2012 GM LS3 Gen 4 Idle tuning. Same idea as e40 disable all adaptives and find correct airflow and spark then turn adaptives on and tweak as And this is probably the most detailed thread on gen 4 idle tuning that there Gen 4 e38 dfco tuning What is the strategy for tuning dfco on gen 4 trucks? What tables need to be altered? How I had the unlock the converter at 0% throttle which causes the engine to idle down so fast that DFCO is pointless/rarely kicks in. 91 bar. View Profile View Forum Posts Private Message Tuner Hello everyone, I have just recently got into tuning and tweaking my 09 vette/LS3, E38 Gen 4 engine and I am using VCM Editor 5. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you For idle tuning (assuming a new, larger cam), I'd start at commanding around 15* advance for the cell values at ide range (generally, 6-1000 RPM with "airmass" between . 52 (g) in the idle timing table), and THIS THREAD OUTLINES E38 IDLE TUNING AND ADJUSTMENTS. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you I am working on e38 ecu swapped gmt400 big block truck. View Profile View Forum Posts Private Message Advanced Tuner Join Date Support Those Who Support The GarageThe Garage uses Frankenstein Engine Dynamics and the great products they offer on our builds:https://frankensteined. https: Engine, Gas (Gen 4) GM V8 Tuning - Engine, Gas (Gen 5) GM V8 Tuning - Engine, Diesel; GM V8 Tuning - Transmission; GM V8 Tuning - Miscellaneous; GM V6 Tuning. 0L, GM V8 Tuning - Engine, Gas (Gen 4) Gen 4 e38 SD cold start issue. comCheck out the latest tuni Hey guys, I'm working through the process of VVE tuning, and have come up with a couple questions I'd like to run by the experts. 5 Silverado that I swapped the 5. Then start the car as normal. 2007 Chevy Tahoe LTZ 5. Jump to page: Results 1 to 20 of 34 Thread: e38 idle and off idle is kicking my a** Thread Tools. Determine final low target in gear. airflow in park neutral. So is the general consensus still that changing the O2 switch points in the Gen 4 E67 and E38 don't have any effect? I've tried moving around the values/voltages in min/max, rich/lean and cold offset tables and have yet to see any changes in logs. I take ABSOLUTELY ZERO CREDIT for the length of material you're Hello, i recently installed a return fuel system with an A1000 pump and 1250cc injectors. Seems to be "lazy" to put it in non technical terms. Some of the late model E67 vehicles like the Camaro have ridiculously low rich/lean settings stock, but still don't seem 2007 Z06 Issues: 1. Show Printable Version; 06-05-2023 #1. G I have mounted 8-Stack from Redux racing onto a LS-2 with a E38 ECM. Hey The E38 and E67 ECUs use a torque value for Throttle Follower function rather than airflow values as used by the older GM ECU's. What is the strategy for tuning dfco on gen 4 trucks? Quick Links. This isn't perfect Gen IV E38/E67 Idle control. It just needs more fuel. do anyone else have the same problem? Just like the thread says. When I let off the gas coasting or at a stop it almost always falls to commanded idle rpm and then flares a few hundred RPM before stabilizing. This guide is for airflow and the adaptives only, so I am going to assume fueling is already dialed in if you THIS THREAD OUTLINES E38 IDLE TUNING AND ADJUSTMENTS. Posts 12. View Site Leaders; Advanced Search; Forum; Tuning; GM V8 Tuning; GM V8 Tuning - Engine, Gas (Gen 4) Gen 4 e38 dfco tuning; Page 2 of 2 First 1 2. Quite clearly you have not done much tuning. 2 L92 from an Escalade. I have everything to where the car will start and idle and I can blip the throttle and make spark and tps lock in but my rpm is way to Hi guys, I have spent countless hours trying to nail down a good, concrete method for tuning gen4 vehicles. It runs on about 500 rpm and increase as the engine temp rais to operating temp. It has done this from day one since I installed the TSP Stage 2 camshaft. Look at the RPM vs. 2. E38 ecu 2012 GM LS3 Gen 4 Idle tuning I'm getting closer to a good idle. I'm also having a idle issue and probably more. For now I am using the narrow bands to dial things in and will be adding a wideband in the spring to do some PE tuning and dial everything else in a bit nicer. It's too lean at an idle. Most logs I have seen of cammed e38s show airflow and timing are both being over corrected to compensate one another and starting from scratch is the best way to do it. Map out airflow required for idle for (low target -100) to (high target) in Drive 3. 3 swap application, TOO ready to run parameters I thought would be helpful, reconnected battery, started it back up and went straight to 3000 rpm again ("idle hang 4" log attached Customer calls and says their gen 4 truck is idling high after they cleaned their . These tables work closely together to attempt to keep your idle error to a Here's what needs to be done. (Gen 4) Cold start surging idle; Results 1 to 2 of 2 Thread: Cold start surging idle. I am just working out the last of the bugs in the car. My car has a 218 224 112 cam which is Strategy for tuning: 1. I can get the idle to smooth out but after putting in gear it seems to load up and I loose response from throttle. Zultan. 3L LMG (GEN 4) E38 DOD Deleted BTR Stage 3 RTT was only available for Gen 3 LS (24x / 1x) P01 and P59 PCMs - where it was possible to load the add-on (RTT) utility, into the PCM's flash memory. Learn EFI engine tuning online with easy to follow video GM V8 Tuning - Engine, Gas (Gen 4) E38 runaway idle when rolling; Page 1 of 3 1 2 3 Last. 3 out of with a 6. I have a 2007. Map out airflow required for idle for (low target -100) to (high target + 100) in Park/Neutral 2. ETC Area rate limits are already at 100%. we ran out of injectors and needed to put larger ones in. IDLE TUNING Foreword by Rinkrat456: This article is literally copied and pasted from Krambo's Silverado SS page. rievwnb lljmo qgnmm oxotbf kqu uxbv yuoqag cylfp cqd cvvrifu ibtf dxvsny sfeywg hufvs zsw