Engine Problems of GMC Yukon

This is second gm vehicle that I have had this problem it goes into reduced engine power often. Spent over 3,000. 00 trying to fix first vehicle and never did. Dealers don't know how to fix. This is dangerous,was passing a truck today on 2 lane road and veh went in to reduced power. Will not buy another gm product. . . .

See all problems of the 2004 GMC Yukon 🔎.

1. No leading events 2. "engine power diminished" error, vehicle loses power, traction control and stabiltrak. Vehichle cannot maintain speed. Occured 3-4 times a week and then reset after car was turned off and restarted after 15 minutes. Disruptive and dangerous on highways and in less secure areas when driver had to stop. 3. The dealer replaced the throttle body and throttle body connector. Part was on national back order because of failures across gm & Chevrolet models. Neither the dealer or gm will acknowledge part failures.

See all problems of the 2007 GMC Yukon 🔎.

My 2003 GMC denali is knocking in the engine and dealer say's it's normal and will not replace motor and my extended warranty is going to be up in a few hundred miles what do I do???.

See all problems of the 2003 GMC Yukon 🔎.

: the contact stated the vehicle was unable to be placed into reverse gear. The vehicle was driven for awhile before it was taken to the dealership. While at the dealership, diagnostic tests were performed. The problem was with the reverse input piston seal. It was cut and not holding proper pressure. The seal was replaced however the vehicle was still having the problem after repairs were made. The vehicle was taken to 2 other dealerships where diagnostic tests were performed. The dealerships are unable to duplicate the problem.

See all problems of the 2005 GMC Yukon 🔎.

2001 Yukon xl burns, drips approximately 1 quart of oil every 200 miles.

See all problems of the 2001 GMC Yukon 🔎.

Crank-bearings.

See all problems of the 1998 GMC Yukon 🔎.

Consumer complained about vehicle hesitation. Dealer was contacted, and had replaced the throttle body sensor. Also abs light turned on dash, as well as the gauges. Dealer was contacted ands stated that there was nothing wrong with the vehicle.

See all problems of the 2002 GMC Yukon 🔎.

The consumer indicated that GMC manufactured a large number of 5. 3 liter engines with either under sized pistons or over sized combustion cylinders which resulted in piston slap. The noise is very loud when the engine is cold but after a period of 10-15 minutes the noise goes away. The consumer indicated that the manufacturer would issue an extended warranty to consumer's who contacted them about this problem. The consumer feels the manufacturer should either replace the engine or repair the problem.