2023 GMC Yukon Fuel system Problems

“Recall for engine propulsion. Say that there is no remedy yet. I have read the warnings about what may happen and I am terrified to drive the vehicle. GM says to contact the dealer, dealer says to contact GM. No one wants to take initiative. If they cannot fix the car, they should buy the car go back so I can get something different. I have been driving an old car around because I’m am afraid of this one. Please help me.”

“Engine Failed 1400 miles from home on 6.2L Engine - Days after getting L87 Engine Loss of Propulsion Recall Service. Recall Service Completed on 12/1/2025 - Cap and Oil Change done - Full Engine Failure on 12/22/2025. 12/1/2025 - L87 Engine Recall Service Done at GMC Dealership - Quincy IL 12/16/2025- Check Engine Light came on - went to same Dealership - Cleared it told me I was fine to drive across country 12/22/2025 - Full Engine Failure on GMC Yukon Denali”

“I was traveling with my family on the Ohio Turnpike. We were traveling west in our 2023 GMC Yukon Denali when we lost all propulsion and the engine seized. There was no warning lights or other symptoms prior to this incident on May 3, 2026. In fact, I had the vehicle in for the prescribed recall to test the engine for the known defect earlier in 2026. The vehicle passed that test and was given the upgraded oil change to presumably prevent the engine failure in the future. It did not work. …”

“My 2023 GMC Yukon Denali with the 6.2L V8 suffered a sudden loss of propulsion while traveling at approximately 70–75 mph on the highway with my wife and young daughter in the vehicle. The engine RPM dropped immediately to zero and the vehicle displayed a message instructing me to press start. I do not recall any meaningful prior warning lamps or symptoms before the failure. I did not hear a loud bang or other dramatic engine noise; the vehicle simply lost power and would not continue driving under engine power. …”

“Vehicle shuts off and goes into neutral at highway speeds I am reaching out because it has happened to me three times in a seven month old vehicle and also five family members with Yukon Tahoe, Escalade same issue is very very dangerous please, I beg you take this very seriously and contact me so I could verify to you the other owners that I’ve had the same issue, but have not went far enough to make a complaint. I will prove it to you with other owners, same problem, where the vehicle just shuts off.”