My idle fluctuates and goes up high with the AC turned on

Asked by Jun 19, 2017 at 04:59 PM about the 2002 Dodge Dakota

Question type: Maintenance & Repair

My 2002 Dakota /4.7 runs at a high idle
(2000 rpm)when I turn on my a/c .when I
shut it off she drops to 1400  (still high). I've
changed the TPS,TCS,IACV, Installed a new
exhaust system still have a problem.  What
the hell is wrong with this truck

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