Idle problem
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Junior Member
Joined: May 2008
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Idle problem
When I start my H23 cold, it idles at 3k! As it warms up it drops down to 2k... I cleaned the IACV, didn't help at all. When I unplug the 2P connection at the IACV it drops to 1200 rpm and bounces up and down at idle. I tried the idle adjust screw but idle doesn't move at all with the screw in full left or right positions. I don't seem to have any vacuum leaks either. Can any one help? I have a 93 prelude Si
Thanx...
Thanx...
Honda-Tech Member
Joined: Jan 2004
Posts: 10,629
Likes: 1
From: Further down the spiral, TX, usa
Re: Idle problem (TheOdd001)
You probably need to adjust your FITV (fast idle thermo valve). It makes your car idle high until it reaches a certain temp, and it sounds like your may just need adjustment.
Also, if it stays at 2K once it's warmed up, then you have a vacuum leak somewhere. Vacuum line or a gasket most likely.
Also, if it stays at 2K once it's warmed up, then you have a vacuum leak somewhere. Vacuum line or a gasket most likely.
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