Ve ss idle rpm. It wouldn't pull past 6000 rpm.

Ve ss idle rpm What's unknown is how your cam overlap weakens pumping and blows intake charge out to the exhaust side at the lower RPMs. It has a MAFLESS tune and after I cleaned the filter and throttle body as I’d done many times before it started to idle at around 2000rpm. Many car makers including GM started installing fly-by-wire electronic throttle bodies. Apr 19, 2024 · Hi i have a Cammed Ve ss Manual That ive had tuned at 4 different places but still have problems with idle and surging and bucking on light rpm and cruise situations if someone may be able to help me out id really appreciate it il post tune funes below from 1st to current tune Attachment 145345 Attachment 145346 Attachment 145347 Attachment Mar 9, 2021 · Hi everyone. Once I took it for a drive the revs seem to hang higher in gear changes and when idling can range from 1000-1500 rpm when it usually would idle around 600 Sep 25, 2023 · Now my question about Idle VE. What slope, I Apr 6, 2007 · To set idle speed go to VCM Editor>Edit>Engine>Idle>Idle RPM>Target Idle RPM vs. It's currently idling at about 600 RPMs. Idle will keep dropping past about 500 and sometimes catch itself, but then other times will completely stall out. 7-16. I have a 2009 VE SS ute and recently it went to the mechanic to get a new radiator as well as top and bottom hoses. my tbss when started in the morning "cold start" it reads between 600-700 and Jun 20, 2014 · you need more timing at idle- i've got a bigger cam than that in a freshly rebuilt 355 that i bought for my Camaro (checked out at . Base airflow I keep the same values at my target RPM and below and 1-2 cells above that rpm, then I just add some grams to the higher RPM values to keep RPMs from dropping too fast. In those vehicles, the “gas” pedal isn’t connected to the throttle body by a cable. Now I can cruise 60-65 MPH in Jan 27, 2022 · excessive fuel trims at idle - goes back to both the above. Now it stalls going from park to gear 50% of the time Dec 11, 2020 · While VE Tuning my truck the other night, I was logging near perfect AFR in VE as well as in MAF. I'm right there with fixing the issue, but feel like I'm missing something. Right now it's sitting around 13. If you have trouble catching at warm starts (and your IAT reading is not simply jacked) this is the table to work with. Feb 14, 2025 · Hey guys I'm struggling like crazy here to obtain a 700-750 idle RPM. You could hear it fall flat. Feb 2, 2018 · If you're having return-to-idle issues, you want the throttle to close slowly when reducing engine RPM, but you want it to open quickly when idle drops more than about 150 RPM below target. 483/. My car drives really well with my low RPM AFR's around 13. the ve table is a table of theoretical values. Oct 13, 2025 · Finding nothing, I followed the directions and adjusted the idle screw CCW and got the idle to lower to about 1000 RPM with no adjustment left and cycled power after that. He is an HPTuners member on this site. ECT table and change cell values to desired idle RPM. I take ABSOLUTELY ZERO CREDIT for the length of material you're about to read, however I have made a few comments in-text that you can see which I will highlight in green. Here's the dilemma. If however, you start making more serious modifications, your idle Jun 10, 2016 · Set your idle RPM tables back, tapering down from factory to your newly found idle rpm. 8 KB, 12 views) Engine won't rev past 4000 RPM? Exhaust restrictions, fuel issues, or ECM problems are common causes. The IAC reads 0% at idle, so I tried to adjust using the online instructions with no luck. Ever since I've had the car, the idle speed has been 1000 rpm. Sit's on what looks like about 600rpm max. So a 2009 SS Turbo LNF is similiar to my 2006 LSJ SC I think it is the shorter intake and exhaust. It wouldn't pull past 6000 rpm. you need more fuel and more timing, with efi live i can command fuel ratio and Oct 16, 2019 · Before tuning, I had codes showing lean idle. If you are tuning a factory LS engine using the technique of reflashing, idle speed tuning may not be something you need to give too much consideration to. I tried raising and lowering timing; that didn't help either. Before, I couldn't drive in 6th gear at any speed below 75. Learn 14 reasons and solutions here. In addition, I've found that my engine performs better at idle when Closed Loop is Disabled. it still stalls like it did before but did seem a little better as it wouldn't stall every time. The pictures within this how-to are my contribution to aid in explaining Aug 8, 2013 · Re: ve table values at idle seem high. Cut and try pretty much. When I start it up cold, it warms up at about 1200 rpm and gradually works it's way down to 1000. I’d drive it and sometimes it would calm down for a while but it would always return and then after a day or so it started to get worse and wouldn't calm down. I could increase short term fuel trim in the idle area of operation but that seems like a bandaid solution. When I picked it up I noticed the idle speed was different. Nov 6, 2024 · What doesn't make sense to me is how the 1250 rpm row right above 1000 rpm has about 85% VE. What did help was turning the "Idle Proportional Fuel Tables" to OFF. CAM Specs: Summit Stage 4 SUM-8714 226°/230° 112° Lobe +4° Advance. I've attached a tune/datalog and happens right at 43 sec. Jun 3, 2022 · Why do you need to do a throttle body relearn procedure and how do you reprogram your car’s throttle body? Find out how to reset the throttle body on different vehicles as our experts review the different methods in this article and video. Oct 6, 2011 · IDLE TUNING Foreword by Rinkrat456: This article is literally copied and pasted from Krambo's Silverado SS page. I tried raising and lowering the VE table at 1200 RPMs and below; that didn't help. 510 similar to the Edelbrock Performer RPM cam), and it idles in gear and sounds mean as hell with Dec 3, 2024 · Presents answers to questions about common problems in LS V8 engines. Perform the following procedure in order to return the. I also added 15 degrees to the underspeed spark, starting at 10 then i increased it to 15 I aslo made the low rpm idle areas 40 degrees and I removed some braf. My issue is my afr at idle. 600 115) in my 2000 Camaro SS and I've been re-tuning my ve table to get everything back in check. 615"/. Apr 15, 2017 · As the title says, every once in a while, typically at low engine speeds under 2500 rpm, I notice the engine appears to misfire, skip, or surge. Same condition after restarting. All the quick blips of the pedal the throttle follower slowed the rpm drop but any time i held the rpms up for a second and let go they just drop and if i dont press the pedal down the car will die. Learn troubleshooting tips to maintain reliability and performance. 488/. 0 (no bucking from the cam, ect) but I would like the Idle up around 14 (14 AFR in the table causes massive low RPM bucking). Engine>Idle>Torque>Limit Offset - bump up around 20% to give bigger window to get it running Jul 21, 2025 · For most modern passenger cars, a normal idle speed is between 600 and 1,000 revolutions per minute (RPM) when the engine is fully warmed up. Just mine seems a little low on the tacho and feels low to me. When you’ve got a standard engine, provided your mass airflow sensor calibration is correct, you should be set and the stock idle configuration shouldn't need any work. It does respond with throttle, but settles back to 0%. 503 with a dial indicator and degree wheel using the stock rocker arms and i didn't spend a lot of time on checking it, so i'm thinking it's actually the . Can anyone offer some assistance? I've attached a log of the issue. This happens right when the IAC hits 0%. The first dyno pull showed AIr/Fuel ratios in the low 20s at idle at the top end it was way lean and the power fell off like crazy. If idle RPM is modified up or down, the VCM Editor>Edit>Engine>Idle>Base Running Airflow>Idle Airflow vs. Under full throttle, or full load, you don't feel Feb 23, 2023 · Any way to raise idle speed without a tune? Tuning / Diagnostics Nov 2, 2007 · the cam you have has decreased the ve of your eng. Public group 󰞋 7. This guide, leveraging extensive analysis of vehicle data and established mechanical patterns, will demystify what your car’s idle RPM should be. Thanks. We’ll unpack the normal ranges, explain why your idle speed changes, and provide a clear, data-driven Oct 5, 2022 · Here is the tune with the original ve that was in it I added 20% to the idle area. update: 700-750 recommended idle for this cam. When I put both tables into my Main tune and run in Dynamic I notice that at Idle I'm consistently staying 7-11 on the lean side (If I remember right WB was bouncing around 15. Sep 15, 2011 · Cranking VE should match running VE where the RPMs overlap. Base Tune Changes made for cam Engine>Idle>RPM - added 200 to Base, Rolling, P/N, In Gear (may lower a little when tuning). This rarely happens in auto, but will occasionally stall as Sep 15, 2011 · Cranking VE should match running VE where the RPMs overlap. Thanks in advance Attached Files Dieing after holding fuel. 8 so I decreased the ve in my idle map but no matter how much I decreased the ve it stays rich. Jun 12, 2011 · Rich Idle Issue I recently put in a new cam (219/224 . Thanks Aug 13, 2005 · Go to Edit --> Engine --> IDLE --> IDLE RPM --> Target Idle speed VS ECT Idle Speed: 950--Start at 950 to get car to idle, then lower 25 rpm at a time until you get idle you like that will keep car running. 600/. Trying to isolate the problem myself but new to the tune game. I've played with all the IAC Ramp Down settings, and I had the same problem after installing the TSP 231/237 cam. All you know is it's going to fade as RPM goes lower. Oct 25, 2017 · Is this really necessary, that's 40 minutes of idling. Is this the normal spec? The cam is stock. 6K Members Join group GSX-8S / GSX-8R Owners Worldwide Pepe Cabello󰞋1d󰞋󱟠 󰟝 Hi everyone, since my motorcycle has 6000 km on it, I've noticed that the idle RPM fluctuates quite a bit. If you choose to follow any of these How-2’s, please do so at your own ri Apr 16, 2023 · I have a manual transmission car, and when decelerating (clutch it and put it in neutral) and coming to a stop, the RPM dips below the target idle speed, and sometimes stalls. 622", 112 LSA using HP Tuners. by el camino man » Thu Aug 15, 2013 3:35 am Sorry about that, I forgot to put in the ve table value at idle, its currently 50, it used to be 17, when I was doing 4 injection events per cycle, I figured it might be about 35 from what I was reading on line. 5. Is it possible to fix this issue without excessive short term fuel trim? Thanks. When driving manual mode the car stalls frequently when cruising to a stop or slowing down. ECT table must be adjusted up or down also. May 6, 2024 · hi after being at several different shops ive been trying to fix up problems with the help of hjtrbo, i have a freshly rebult cammed ve ss manual l98 if been having problems with rough idle and startup hunts up and down for a while before catching itself heres the latest tune file and logs below if anyone could have a look and see if they could Jun 18, 2024 · hi everyone ive been working on my tune with the help of jasonhsv he has gone above and beyond helping me out with all these problems and is getting alot better only few little problems eg, idle hunts up and down alittle idling and coming to a stop and sometimes weird jerk around 1500 rpm and lower thats only present sometimes other then that Jun 21, 2015 · If you’ve replaced your GM electronic throttle body or you’ve disconnected the battery, you must do a GM throttle body relearn to establish a new baseline idle. hpl (138. 3) and no matter what changes I made it would always seam to fight to stay right there. I had the exact same thing happen to my VE SS. at low rpm/loads values, the oposite is true in the mid range load areas, and wot. IDLE LEARN PROCEDURE Whenever the PCM or the battery is disconnected or the PCM loses power, the PCM’s learned position of the IAC valve pintle is lost, resulting in an unstable idle. It first read 12. I haven't had a chance to Feb 17, 2013 · Hi Guy's just wondering what idle RPM you have, I'm new to holdens and esp their maunals so not sure what the Idle RPM is roughly. That helped a huge amount. Perform the following procedure in order to return the Jun 20, 2014 · you need more timing at idle- i've got a bigger cam than that in a freshly rebuilt 355 that i bought for my Camaro (checked out at . Basically I have a jump of 40% VE between idle rpm and 1250 rpm. Dec 14, 2015 · hi all, my 07' SS, I live in new England and most cars I've had when started in the morning they will usually have a higher rpm reading than normal and then dip back down to its normal operating reading when warm. so for bucking at low rpms, the area affected in the ve table needs to be adjusted. Nov 28, 2008 · IDLE TUNING The following is a collection of idle tuning notes, tips ‘n tricks and How-2’s for idle tuning a big cam (or any cam for that matter) that I used when dialing in my 248/254, . Strange issue happening in recently tuned L9H (2009 Escalade). So the 50 was kind of a surprise. It does not backfire necessarily, just feels like it's struggling to ignite each cylinder evenly. Jan 27, 2007 · What RPM should my fairly stock 454 be at idle? It just has an Edelbrock RPM Airgap intake and Holley 750 carb (don't even know if that matters) and I've got a Turbo 400 auto trans. What's Your Idle Speed? When I last had my car serviced, the shop owner took it for a drive and noted that my car was idling a little high. b3g tkwzvdg l1bj qcge ijncs xu7 ry i8ft pmlw pwu6