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2G RPMs droping when AC is on

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bklynboost

Probationary Member
17
0
Sep 4, 2002
I was wondering if anyone could help me out...
Whenever I put on my defroster or ac, my car begins to idle almost to zero, then it goes back up and idles down gradually again. This only occurs whenever the ac is on.
Any information would be greatly appreciated.
 
I dont know what kind of car you have but there is a sensor that tells the ecu to increase idle speed when the ac is on.goto to the dealer(parts counter) and tell them your problem,you have to buy the part from them anyway,the will have a diagram.
 
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