2008 CHEVROLET AVALANCHE Fuelpropulsion System Problems

THROWING P0430 AND P0420 CODES ON NEW OEM Y-PIPE CATALYTIC CONVERTER ASSEMBLY. DROVE FOR 101 -140 MILES AND THE CHECK ENGINE LIGHT COMES ON.

I'VE HAD MY TRUCK FOR 4 YEARS NOW AND ITS BEEN IN THE SHOP 5 TIMES DUE TO TRANSMISSION PROBLEMS. I'VE GOTTEN THE TRANSMISSION REBUILT 5 TIMES AND ITS STILL GIVING ME PROBLEMS. 6/2014- PRESENT DAY.

TL* THE CONTACT OWNS A 2008 CHEVROLET AVALANCHE. THE CONTACT STATED THAT THERE WAS A FUEL ODOR COMING FROM THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 143,000.

MY 2008 AVALANCHE WITH 72,000 MILES ON IT, IS COMPLETELY ROTTING AWAY UNDERNEATH. I'VE HAD TO REPLACE MANY PARTS, SHOCKS, AUTORIDE COMPRESSOR, FUEL PUMP MODULE, HAD BODY RUST REPAIRED, HAVE HAD 3 DOOR HANDLES FALL RIGHT OFF.. LAST 2 MECHANICS TOLD ME THAT ALL PARTS LOCATED UNDERNEATH TRUCK ARE ROTTING AWAY AND THAT I NEED TO GET RID OF TRUCK BECAUSE IT IS NOT WORTH REPAIRING. I HAVE TRIED TO WORK WITH GM BUT THEY CLAIM THAT ITS NORMAL WEAR AND TEAR. PAID 30K FOR TRUCK DEC 2011. HAVE MEMBERSHIP TO CAR WASH, AND KEEP IT VERY CLEAN. UNDERCARRIAGE INCLUDED. CANT GET MY SERVICE SUSPENSION LIGHT TO SHUT OFF, EVEN THE DEALER CANT. THIS TRUCK SHOULD NOT BE ROTTING AWAY THE WAY IT IS.. PLEASE HELP. *TR

TL* THE CONTACT OWNS A 2008 CHEVROLET AVALANCHE. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE VEHICLE BEGAN TO HESITATE. THE CONTACT STATED THAT ONCE HE REACHED 60 MPH, THE FAILURE STOPPED. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION WHERE THEY STATED THAT THE FUEL MODULE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000.