surging motor problem
#1
Cruisin'
Thread Starter
surging motor problem
Okay, new problem with my '03 CL-S MT. Hopped in for my usual morning drive to work & about 1/4 mile down the road, when I put it in neutral, the engine surges up & down from normal idle up to about 3500-4000 rpm. I didn't notice anything while it was in gear, only in neutral, but I just turned right back around & parked it. I haven't had a chance to do any diagnostics yet but if anyone has a suggestion where to start looking, that would be greatly appreciated. Thanks all!
#2
3.5 psi
iTrader: (1)
it's probably your IACV. It's on your throttle body and it gets clogged up over time and won't open and shut properly. Tell tale is that on the gas it's fine and in neutral the revs bounce on their own.
#3
Senior Moderator
IACV typically. or clean your throttle body. else there is a vacuum leak
#5
Senior Moderator
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#8
Senior Moderator
thanks for the follow up!
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johnboy1313 (03-14-2017)