2004 Chevrolet Trailblazer Ext check engine light reports
9 NHTSA complaints describe persistent or recurring check-engine warnings on the 2004 Chevrolet Trailblazer Ext — roughly 3% of all complaints for this model year.
9
Check engine light reports
3%
share of complaints
64,000 mi
median reported incident mileage (all complaints)
Components reported on this vehicle
Check engine light in other Trailblazer Ext years
| 2006 Trailblazer Ext | 18 |
| 2003 Trailblazer Ext | 15 |
| 2002 Trailblazer Ext | 6 |
Other symptoms owners describe on the 2004 Chevrolet Trailblazer Ext
Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2004 Chevrolet Trailblazer Ext report before drawing conclusions.