2008 Chevrolet Trailblazer power train problems
10 owner complaints filed with NHTSA name the power train on the 2008 Chevrolet Trailblazer — 5% of all complaints for this model year.
What owners report
“Yes I was driving on the 65 miles an hour in the passenger lane are carpool lane all the sudden for no reason both curtain airbags just deployed I had my head right next to knock me out cold I didn't proceed over and hit the wall 21 times just skip down in when I came to I thought I was I thought…”
filed Dec 6, 2020
“My 2008 trailblazer is having a rough idling issue.. When I first start my vehicle it does not want to keep running. It doesnt want to move either. It is the throttle position sensor and it cost 300.00 to buy the part”
filed Nov 30, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Trailblazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Trailblazer | 6 | 32% |
| 2024 Trailblazer | 7 | 22% |
| 2023 Trailblazer | 9 | 15% |
| 2022 Trailblazer | 32 | 30% |
| 2021 Trailblazer | 38 | 20% |
| 2009 Trailblazer | 1 | 4% |
| 2007 Trailblazer | 15 | 2% |
| 2006 Trailblazer | 49 | 4% |
| 2005 Trailblazer | 51 | 3% |
| 2004 Trailblazer | 62 | 6% |
| 2003 Trailblazer | 103 | 11% |
| 2002 Trailblazer | 310 | 27% |
Other reported problem areas on the 2008 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.