03 civic idle issues
Hi, long time lurker with a problem that I just can't figure out:confused:
Bone stock 03 civic DX 130,000 miles Within 1-2 minutes after start up on a cold engine, the idle will slowly drop to a point where the engine is just barely running. It will run like this for about 20-30 seconds and then the rpms come back up and it runs like nothing ever happened. It only happens occasionally but when it does, it's always within the first 2 minutes after startup as if it is on a timer. If I shut the car off while it's bogging down, it starts right back up and runs fine. There are no codes. Things I have tried... cleaned IAC valve and throttle body checked pcv valve checked for vacuum leaks sea foam plugs and fuel filter are new Any ideas would be greatly appreciated! |
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