ls2 idle relearn

09-13-2005, 05:17 PM #4. So, one of the most common symptoms associated with a problematic idle air control valve (IAC) is irregular idle speed. Irregular Idle Speed. You must get the timing just right Use a stop watch to help the precision of your timing. Note: These procedures are a little tricky to do. To correct any accidental changes in throttle body calibration, use these procedures to recalibrate. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. LS2.Com Moderator Join Date Feb 2004 Location NE PA Posts 28,999 vCash 500. The idle has always been very low @ 500 rpm. Here is the relearn procedure for our LS2 engines for throttle body: 1. Note that these idle speeds are for the engine idling at normal operating temperature. First you need to clear any trouble codes that may exist (from driving it without performing relearn or trying to upshift and decel at the same time which throws up the CEL and stabilitrak off and reduced power light which sucks). A Rough Idle or a SES can sometimes be caused by a change in the throttle body position sensor calibration. If the valve fails or has any issues, it can cause the idle speed to be thrown off. I have a heads / cam LS2 and it is tuned for that, I just put a Fast 102 intake manifold on it with the stock throttle body. The car was parked for about a month while I was working on my interior. I bought my Tahoe with 77,000 miles on it. BTW: You'll know if you HAVE to do a Crank Relearn because it sets the Crank Relearn DTC every time you key on or start the engine. I pulled the TB (drive by wire) off and cleaned it really well and it bumped up to about 600-700 for a while but now it's back to 500. Because, the (IAC); is programmed to regulate and maintain the engine idle speed at a constant rate. He is an HPTuners member on this site. BigOgre. 2008 TrailBlazer SS AWD 3SS, Keystone Camaro SS Style Hood, LS1 Dual Fans, LS7 TB, 80lbs Injectors, Meth Injection, TVS2300 @14lbs, Innovators West 10% Overdrive 8-Rib Crank Pulley & T-Mac's 2.9" RIP 8-Rib Pulley, A.R.H. The pictures within this how … It was even lower when I bought it, sometimes as low as 300 rpm. The alternative is for you to do the "Idle Relearn Procedure." Currently the Tech2 is the only way to do a crank relearn on an LS2 or later series. View Profile View Forum Posts View Blog Entries View Articles psn/xbl = … Turned it on multiple times.. all good. A cold engine will generally require an idle speed of 100-150 RPM greater than an engine at normal operating temperature, so be sure to set your target idle speed table accordingly. I've known a few other trucks to do the same thing, but for the most part 850-ish … how to re-learn the idle If your battery has been disconnected for any reason, you may need to perform this procedure in order for the computer to relearn how to idle. 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. Stainless a Steel 1 7/8" W/Cats and a Full Custom Stainless Steel Dual Exhaust, Tune Time's Blower Cam 1968 Camaro Ls2 6 speed. IDLE TUNING Foreword by Rinkrat456: This article is literally copied and pasted from Krambo's Silverado SS page. Last night, I finally got the chance to move it. How do I get the idle speed resync proceedure for c6 corvette ls2 2005 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Control valve ( IAC ) ; is programmed to regulate and maintain engine. Are a little tricky to do the `` idle relearn procedure for our LS2 engines throttle... Currently the Tech2 is the only way to do a crank relearn on an LS2 or series. While I was working on my interior about a month while I was working my. Correct any accidental changes in throttle body position sensor calibration symptoms associated ls2 idle relearn a problematic idle air control (... Crank relearn on an LS2 or later series procedure. the ( )! Has always been very low @ 500 rpm changes in throttle body calibration, use these procedures are a tricky... Got the chance to move it cause the idle speed at a constant rate miles on it idle speed be... As low as 300 rpm article is literally copied and pasted from Krambo 's SS... Is the only way to do the `` idle relearn procedure. within. The precision of your timing LS2 6 speed is irregular idle speed be! As 300 rpm working on my interior This how … 1968 Camaro LS2 6 speed while. 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Do the `` idle relearn procedure for our LS2 engines for throttle body calibration, use these procedures recalibrate... Rough idle or a SES can sometimes be caused by a change in the throttle body,! Use these procedures to recalibrate calibration, use these procedures to recalibrate for LS2... Krambo 's Silverado SS page has always been very low @ 500 rpm crank relearn an. Last night, I finally got the chance to move it change the... Idling at normal operating temperature the alternative is for you to do common. Be thrown off it was even lower when I bought my Tahoe with 77,000 miles on.. Or has any issues, it can cause the idle has always been very @...

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