i have a P1481 code on my 2002 gmc envoy what could it be?

Asked by 84091960 Jul 31, 2017 at 07:22 PM about the 2002 GMC Envoy 4 Dr SLT 4WD SUV

Question type: Maintenance & Repair

my engine is running high when i first start it and runs rough, but after it gets into 3 rd gear its fine

1 Answer
11,605

FJ4072 answered 7 years ago

Pretty common problem. Usually the fan clutch stays engaged and is very loud at all speeds (like an airplane taking off), remove and replace fan clutch. The other common issue is the wiring that goes to fan clutch. On drivers side of fan shroud is the connector, it's clipped in there. Make sure the wires are not broken or burnt.

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