GMC Jimmy
Grand Prix GT
Jimmy Carter

Why does my 1998 gmc jimmy sle 4x4 have problems with the rpms bouncing when cruising of speeds 35 mph at a steady pace?

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Wiki User
2005-11-18 16:59:27

check the ac idle control module it should run you about $250 it

happened on mine. turn your ac off and see if it still does


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