The contact owns a 2007 Chevrolet Silverado lt. The contact stated the throttle would stick anytime he attempted to release the pedal. The vehicle slows down very slowly. The engine continues to run at 800-100 RPM's until the brake is applied to stop the vehicle. The consumer also stated while stopped at a traffic light or a stop sign, the engine would occasionally speed up to approximately 1800 RPM's. the consumer also stated a new engine was installed on April 11, 2001 due to a faulty oil pump. The throttle body and engine control module were replaced twice, the hbac control module, oil deflector, purge valve and canister, maf sensor, wiring harness, speed sensor, CO2 sensor, 175 amp fuse box, transmission control module and under hood wiring were all replaced. An engineer from General Motors has worked on this vehicle at all three dealerships and has not been able to repair the problem. The manufacturer was contacted and they offered little assistance. The failure mileage was 46,000. Updated 06/22/11 updated 07/08/11 updated 3/8/12

- Grantville, KS, USA

The contact owns a 2007 Chevrolet Silverado 3500. The contact stated that the air pollution system sensor burned fuel when it became full. The failure also caused the vehicle to use fuel faster than normal. The warning light illuminated displayed refer to the owners manual. The owners manual stated that the vehicle should be driven 30 mph for 20 minutes until the system was cleaned. The failure occurred without any warning. The contact was concerned about the safety risk since the vehicle slowed down without warning and could potentially cause a crash to occur. The failure and current mileages were 48000. Updated 11/05/10.

- Riga, MI, USA