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Idle Gremlins...

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Old 08-04-2009, 04:52 PM
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Default Idle Gremlins...
Situation: about 50% of the time when starting, the engine fluctuates horribly between 400 and 800 rpm, but then smoothes out after a few minutes.

I've replaced my Throttle Posision Sensor and my Idle Air Control Valve, I've cleaned my Throttle Body and MAF, and yet the problem continues. Any suggestions?
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Old 08-04-2009, 11:39 PM
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have you checked for a vacuum leak?
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Old 08-05-2009, 07:10 AM
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No I haven't, but that could make sense... I'll give that a shot
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