NHTSA Complaint #11653160 — 2017 CHEVROLET MALIBU

The contact owns a 2017 Chevrolet Malibu. The contact stated that during cold weather, the engine would overheat, with the temperature gauge indicating that the engine was Hot(H). In addition, the contact stated that there was an abnormal burning odor coming from the vehicle. The contact stated that while depressing the accelerator pedal, the vehicle lost motive power with the check engine warning light illuminated and the "Reduce Power Mode" message displayed on the instrument panel. The vehicle was taken to a dealer where a mechanic discovered an accumulation of ice and sludge on the throttle body. Due to the failure, the oil became contaminated when released from the throttle body. Upon investigation, the contact discovered Technical Service Bulletin: 10228956 (Engine and Engine Cooling); which the contact linked to the failure. The manufacturer was notified of the failure and informed the contact that the vehicle was not covered under the service bulletin. The vehicle remained with the dealer unrepaired. The failure mileage was approximately 80,000.