NHTSA Complaint #10502363 — 2012 CHEVROLET SILVERADO

TL* THE CONTACT OWNS A 2012 CHEVROLET SILVERADO. THE CONTACT STATED THAT WHILE STOPPED AT A TRAFFIC LIGHT, THE VEHICLE IDLED IRREGULARLY. THE VEHICLE WAS TAKEN TO A DEALER FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THAT PISTON NUMBER 7 WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE FAILURE RECURRED AND THE VEHICLE WAS TAKEN BACK TO THE DEALER. THE MANUFACTURER WAS NOTIFIED BUT THEY OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 7,496 AND THE CURRENT MILEAGE WAS 10,000. UPDATED 03/28/13*LJ ON 01/11/13, THE CONSUMER TOOK THE VEHICLE TO A CLOSER A DEALERSHIP AND THEY RAN A DIAGNOSTIC TEST AND FOUND CODE P0300 MISFIRE #7 CYLINDER (0322-6579). THEY INSTALLED A NEW PLUG IN # 7 CYLINDER AND INSTALLED A NEW VALVE COVER AND PERFORMED AN OIL CONSUMPTION TEST. THE TRUCK STARED RUNNING ROUGH AGAIN, SO THE CONSUMER RETURNED TO THE DEALER ON 01/23/13. THEY REMOVED AND REPLACED A PISTON, AND REPLACED THE VALVE STEM SEALS. THE CONSUMER RETURNED TO THE DEALER AGAIN ON 01/30/13