One problem related to fuel injection has been reported for the 2006 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2006 Chevrolet Trailblazer. The contact stated that the fuel gauge was not reading properly. Whenever the fuel tank was full, the fuel gauge would display an empty reading. After waiting a few days, the fuel gauge would adjust to a proper reading, but the failure would recur once the vehicle was refueled. The contact also stated that the failure began after the dealer flushed the fuel injection system. The failure mileage was 75,000 and the current mileage was 80,000. The VIN was not available.