Question about 2002 Jeep Grand Cherokee
It is a 2.7 crd. When the engine is idling, the idling speed keeps increasing and decreasing at the same pace all the time. It is much worse when I am using the headlights which keep dimming down and coming back up to normal with the varying idle speed of the engine. Your views
please. The battery is fine and the alternator is charging properly. A friend told me it may be the air con.The engine almost stalls at idling speed when I am using the headlights.
Well it could be the idle control valve or vacuum leak check all vacuum lines for cracks and listen for air sound you may need to check PVC valve
Posted on Feb 08, 2010
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Posted on Jan 02, 2017
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