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2002 Pontiac firebird idles hard when ac is on only how to correct?

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βˆ™ 2006-07-20 05:06:52

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An air conditioning compressor places a heavy load on an engine, especially when the engine is idling. If the engine is running rough at idle with the a/c on, try changing the spark plugs, air filter element, and the oil and oil filter. If your car has a four cylinder engine, you may have to turn the idle speed up slightly. Shift the transmission into 'Neutral' while waiting at stoplights to reduce the load on the engine. Buy premium gasoline, instead of regular. Take the car for a long drive on the freeway.

2006-07-20 05:06:52
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