2009 GMC Envoy Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2009 GMC Envoy

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2009 GMC Envoy Problems

CD Player In Radio May Fail

The CD player in the radio may fail. Our technicians tell us that the radio will need to be removed and sent out to a radio repair shop to correct this condition.

Reduced Power and Check Engine Light

The GMC Envoy Denali uses a throttle position sensor (TPS) which commonly fails and causes:

This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS.

To correct this issue, the wiring harness, connector, and throttle position sensor must be inspected, tested, and/or replaced. The most common cause is a faulty TPS.

Loss of One or More HVAC Blower Motor Speeds

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

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2009 GMC Envoy Questions

Check engine light comes on repeatedly. (1 answer)

I have taken the vehicle to 2 repair shops. When they look at the code it calls out "small leak" code. Replaced gas cap and this solved it for a few days. Reset light again and it returned in a few days. Also got "tighten fuel cap" message on dash.
Any suggestions?

I recently replaced the clutch fan on my 2009 GMC Envoy but the vehicle is still making the same noise as before I changed out the clutch fan - does anyone have any ideas on what else the problem could be. PLS HELP (1 answer)

I recently replaced the clutch fan on my 2009 GMC Envoy but the vehicle is still making the same noise as before I changed out the clutch fan - does anyone have any ideas on what else the problem could be.
PLS HELP

clutch fan (1 answer)

I recently replaced the clutch fan on my 2009 GMC Envoy but the vehicle is still making the same noise as before I changed out the clutch fan - does anyone have any ideas on what else the problem could be.
PLS HELP

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