I've got an odd idle problem. I'm idling at between 200-400 but mainly at 200. It's been like this since the head job but all the timing marks line up fine. I'm not sure how to go about this. any tips or suggestions?
#99310, "RE: idle problem" In response to Reply # 0
Originally posted by bedlam32570 I've got an odd idle problem. I'm idling at between 200-400 but mainly at 200. It's been like this since the head job but all the timing marks line up fine. I'm not sure how to go about this. any tips or suggestions?
how much did they shave off the head?
adjustable cam gears?
whats your vac gauge read at idle?
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#99313, "RE: idle problem" In response to Reply # 3
Originally posted by Chamuko it can actually idle at 200? wtf? you sure your not trying to say 2000?
With my speed sensor unhooked, my mustang will do this for a few seconds, then shoot up to the normal 800 or so RPMs. It's a very rough idle, but it can do it.
~Luke Facebook 1969 Cougar - 11.91 - 380HP 2007 GSXR 750 1999 OZ - SOLD - 15.26 NA - 14.71 on 75 shot
#99315, "RE: idle problem" In response to Reply # 5
yeah 200. I didn't mistype it. I'm gonna go through my sensors and check for any vaccuum leaks to see what I find. I've got no adjustable cam gears but I am thinking I should get some. I have a set of crane street cams on it but I know that's not causing it cause i didn't put them on until I did the rebuild and it's been doing this since before than.
#99323, "RE: idle problem" In response to Reply # 8
response under throttle is a little slow but once it hits it, it goes. the check engine light came on so I am gonna get it scanned and see what it says. I am suspecting the EGR Valve might be the problem.
#99324, "RE: idle problem" In response to Reply # 9
I dont think that the egr would cause that low of an idle because I have had mine blocked off for a while now (I just recently hooked it back up) and it would always idle normal unless there was a vacuum problem.
When the egr opens and the IAC would close my idle would stumble a little but it would just throw a cel and then pick back up.
#99584, "RE: idle problem" In response to Reply # 12
well it's not the IAC, not a vaccuum leak, and not the TPS. I'm gonna try the EGR, and do a tune up just to have that done. I'm running out of what it is. I have a header on it and believe I have some exhaust leaks. I'm thinking that might be contributing to it. I was gonna swap back out to a standard manifold and downpipe. Ever since I put the header on I've had problems with the exhaust not sitting right.
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