2008 GMC Canyon engine problems
14 owner complaints filed with NHTSA name the engine on the 2008 GMC Canyon — 37% of all complaints for this model year.
What owners report
“When sitting at idle, the engine miss & spark knock at times. When start driving down the road the throttle seems hard to Press & takes a little time to reach up to road speed. The truck does not get good gas mileage at all. I had the spark plugs & wires changed still don't help.”
filed Jun 17, 2026
“Tl* the contact owns a 2008 gmc canyon. On several occasions, while driving 55 mph, the vehicle stalled without warning and was able to restart. Also, the decreasing power message was displayed. The contact called bishop gmc cadillac (400 mackinaw ave, cheboygan, mi 49721, (231) 627-5669) to notify…”
filed Jul 25, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051J · Service Bulletin/Repair Instructions · issued Sep 27, 2024
Engine problems in other Canyon years
| Year | Reports | Share |
|---|---|---|
| 2024 Canyon | 14 | 7% |
| 2023 Canyon | 10 | 17% |
| 2022 Canyon | 2 | 8% |
| 2018 Canyon | 6 | 12% |
| 2017 Canyon | 14 | 21% |
| 2016 Canyon | 21 | 8% |
| 2015 Canyon | 13 | 4% |
| 2012 Canyon | 1 | 4% |
| 2009 Canyon | 3 | 11% |
| 2007 Canyon | 5 | 12% |
| 2006 Canyon | 6 | 13% |
| 2005 Canyon | 5 | 4% |
Other reported problem areas on the 2008 GMC Canyon
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.