This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
Intermittent problem, engine misfire at start, very rough idle, suspect poppet valve stick, obd code reads misfire on 6. dealer charges $50 to read and says to use fuel injection cleaner. Cannot get it to dealer when it does it and they will not repair solely on error code. This has failed over 6 times. Shut motor down and let it sit for a while and it restarts just fine.,
Injection pump has failed twice, causing consumer to push vehicle out of traffic. First time GMC put a new part on and vehicle lost brakes when pulling out into a intersection. GMC is not considering assisting consumer because there are too many miles, and money will not be spent to investigate. New part is failing faster than the old.
Engine stalled intermittently, and on four occasions vehicle has surged forward in heavy traffic. Vehicle been in dealer shop on two occasions, and had fuel injector replaced, but problem would reoccur. Feel free to provide any further details on this matter.
- Valleyview, TX, USA
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- Martinez, CA, USA