2007 Chevrolet Trailblazer engine problems
22 owner complaints filed with NHTSA name the engine on the 2007 Chevrolet Trailblazer — 3% of all complaints for this model year.
What owners report
“Tl* the contact owns a 2007 chevrolet trailblazer. While driving 55 mph, the low beam headlights failed to operate and the check engine indicator illuminated. The contact had to activate the high beams and fog lights to see the road. The contact called sauers buick gmc (1900 e lincolnway, la porte…”
filed Jul 26, 2019
“My 2007 trailblazer ss has a manifold exhaust leak. The bolts are broken on the left front of the head and back bolt of the head on both sides. We are getting exhaust gas in to the inside of the truck. This could cause carbon monoxide poisoning. To the driver in the vehicle, this is very serious…”
filed Dec 12, 2018
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 Trailblazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Trailblazer | 3 | 16% |
| 2024 Trailblazer | 9 | 28% |
| 2023 Trailblazer | 14 | 23% |
| 2022 Trailblazer | 16 | 15% |
| 2021 Trailblazer | 36 | 19% |
| 2009 Trailblazer | 2 | 7% |
| 2008 Trailblazer | 21 | 11% |
| 2006 Trailblazer | 43 | 4% |
| 2005 Trailblazer | 30 | 2% |
| 2004 Trailblazer | 16 | 1% |
| 2003 Trailblazer | 15 | 2% |
| 2002 Trailblazer | 17 | 1% |
Other reported problem areas on the 2007 Chevrolet Trailblazer
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.