2008 GMC Yukon Hybrid Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 GMC Yukon Hybrid

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2008 GMC Yukon Hybrid Problems

Check Engine Light Due to Gas Cap Issue

A Loose or worn gas cap may cause Check Engine Light to illuminate.

Reduced Power and Check Engine Light

The throttle position sensor (TPS) on the GMC Yukon Hybrid and GMC Yukon Denali Hybrid is notorious for failure which causes:

This issue is related to the throttle position sensor on the gasoline engine, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS. Note, this does not affect the hybrid drive system.

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.

Service transmission every 30,000 miles
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.

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2008 GMC Yukon Hybrid Questions

Service Hybrid Soon dash light on? (3 answers)

109,000 miles on Truck...
Battery R & R by GMC $300 and now GMC did a diagnostic and want to replace a ECM board $700? I have driven the truck with light on for 1500 miles and it is running fine to my knowledge.

I have a Rear Main Seal Leak Also that I reported to GMC before 100,000? ...

will car start if hybrid battery is low (1 answer)

car has not been started in a month. I charged the 12 volt battery already is there a way to jump the hybrid one

HOW DO I REMOVE FRONT HEAD LIGHT LENS, SO I CAN REPLACE BURNED OUT PARKING LIGHT (1 answer)

DEALER WANTED $150 REPAIR, I THOUGHT I COULD DO IT MYSELF, I OPENED THE HOOD, REMOVED TWO BOLTS WHICH LOSSEN THE WHOLE ASSEMBLY BUT STILL ATTACHED SOMEWHERE,CAN YOU HELP?
THANKS, JOEL W

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2008 GMC Yukon Hybrid Reviews

Rated
based on 1 customer reviews
The first problem I had with my vehicle was the engine light constantly coming on due to gas cap. The second problem was the headlights blowing, which is expensive to replace. I have replaced head lights about 5 times in the past 4 years.My maine concern now is when you take your foot off the accelerator to come to a stop the truck accelerates by itself forcing you to slam on your breaks.Very s...

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