One problem related to accelerator pedal has been reported for the 2005 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2005 Chevrolet Trailblazer ext 370. The contact stated that while driving at 60 mph, the vehicle failed to accelerate when the accelerator pedal was depressed. The failure occurred once. The vehicle was taken to an independent mechanic where it was diagnosed that the throttle body had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 190,000.