One problem related to loud engine noise has been reported for the 2005 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Chevrolet Impala based on all problems reported for the 2005 Impala.
Tl the contact owns a 2005 Chevrolet Impala. While driving approximately 65 mph, the vehicle decelerated without warning, braked independently, and the steering wheel was out of control and made an abnormal noise. In addition, the check engine warning indicator illuminated. The contact was able to coast the vehicle to the side of the road. The contact powered off the engine. Once it was restarted, the vehicle drove normally. In addition, while the gear was in park, the vehicle rolled forward independently. The failure recurred twice. The vehicle was taken to an independent mechanic, but was not diagnosed or repaired. The vehicle was not taken to a dealer for diagnostic testing. The vehicle was not repaired. The manufacturer was not notified of the failures. The approximate failure mileage was 140,745.