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Cooling fan RPM error.

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Q: What is a DTC P1484 for a 2002 Envoy?
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What is a DTC P1484 for a 2002 Trailblazer?

P1484 - Cooling Fan System Performance Cooling fan rpm error. When I had that code it was accompanied by p0495 .. Which is cooling fan speed too high ... I changed the fan clutch because they are notarious for problems .. And then 3 days later changed the water pump .. Cost me about 250$ to do it myself ... The shop was gonna charge almost 1800$ haven't had a problem since!


What is p1221 for 2002 gmc envoy?

DTC P1221 code is: Excessive Difference Between Throttle Position Sensors which means there is something wrong with the electronic throttle positioning sensor system, probably needs replaced


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When was GMC Envoy created?

GMC Envoy was created in 2002.


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The axle/hub nut torque on a 2002 GMC Envoy is 103 ft.lbs.


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153624


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In what years were the GMC Envoy produced?

The GMC Envoy was produced in 1998 and not again until 2002. The Envoy was produce until 2009. GMC is no longer producing a vehicle with the name Envoy.