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#1
12-01-2006, 07:15 PM
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99 aurora rough idle
In the last 2 days my car is idling rough. This happens only when the engine is warm in gear at a stop. Also the heat must be on. Turn the heat control off and the idle smooths out, turn the heat on, rough idle. Seems to happen about the same time the a/c compressor kicks on. Rpm,s fluctuate between 500-700, battery voltage fluctuates with the low rpms 13.9 to 15 volts. Otherwise the car runs great down the road. ???????? any thoughts
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#3
12-01-2006, 07:34 PM
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Re: 99 aurora rough idle
No CEL, I'll have to get my scanner neighbor to check for codes. In the meantime I'll clean TB and IAC, I use B-12 for that, sound OK?
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