2012 GMC Acadia engine problems

“The contact owns a 2012 GMC Acadia. The contact stated that the vehicle failed to release from low gear while at a stop. The transmission was backed up. The engine light was illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted, who confirmed there were no recalls. The failure mileage was approximately 213,766.”

“The contact owns a 2012 GMC Acadia. The contact’s wife stated that while driving at an undisclosed speed, the vehicle lost motive power with the check engine warning light illuminated. The vehicle was able to be restarted; however, the failure persisted. The vehicle was towed to the dealer, but was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 172,000.”

“Ratle sound in the engine thinking it may be the timing chain. Code p0430 came on stating catalytic converter bank 2 needs replaced. We replaced o2 sensor downstream on bank 2 code was cleared by shop. After driving a few miles same check engine light came on and i took it to the shop they hooked it up to run the code and it was the same p0430 again”

“I was driving along [XXX] . I stopped at Walmart and shopped for about 2 hours. I was Leaving Walmart and was stopped at a red light at the exit from Walmart [XXX] and traction control light comes on and a message came up and stated traction control off and to service stability control and the vehicle loses power right at the light. I checked everything I could and dis connect the battery for about 30 minutes and connected the battery back up vehicle still would not start. After sitting there for 3 hours the vehicle starts up. A week later the same thing happens again. I had to go through all the steps again so after a couple of hours. The vehicle started up. A few days later it happens shin but this time I'm at a stop sign on a busy road. I called Road side service for a tow. No one showed up so I went through Ll those same steps of disconnecting the battery and hooking it back up after a couple of hours and it stated up. I drove it home and started doing some research and found something saying to change the brake pedal position sensor so I done that and it worked for a few days and started doing the same thing all over again. S week later I drive it to the…”

“The timing chains went on the engine at 148,000 miles. Which is known for 3.6l engines. Gm needs to own up to their faulty manufacturing on these engines. I need this vehicle for my children. This is the second time I have to put another engine in this truck. Thankfully when I purchased this vehicle it had a warranty but it only cover so much so I had to put a jasper motor in it instead of a brand new one from GM itself and now this jasper motor died after only driving it 22,000 miles and getting my oil changed every 3,000 miles. Single mom of soon to be 3 children i can't afford another 3 row seating Vehicle.”

“The contact owns a 2012 GMC Acadia. The contacts stated that while driving at an undisclosed speed, the vehicle lost velocity while depressing the accelerator pedal. The message "Engine power reduced and service traction control" was displayed temporarily. The contact managed to pull over the shoulder of the road and had the vehicle towed to a local independent service lot where it was diagnosed with metal debris in the engine which required an engine replacement. The local dealer was contacted. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 128,000.”