Tank Filler Pipe And Cap problems of the 2007 Chevrolet Silverado 1500

The contact owns a 2007 Chevrolet Silverado 1500. The contact stated that while driving approximately 55 mph, the engine warning indicator began to illuminate continuously. The engine power was also extremely slow. The vehicle was taken to an authorized dealer, who stated that the fuel tank cap needed to be tightened securely after refueling. The failure persisted. The vehicle was taken back to the dealer and the faulty fuel tank sensor was replaced and repositioned. The manufacturer was notified of the defect and they offered to reimburse fifty percent of the repair expense. The approximate failure mileage was 10,000. Updated 05/11/lj the dealer found a large evap leak and the vent solenoid circuit was stuck open. Updated 06/01/12.