2008 CHEVROLET AVALANCHE 1500 Engine Problems

TL* THE CONTACT OWNS A 2008 CHEVROLET AVALANCHE 1500. WHILE DRIVING APPROXIMATELY 30 MPH, THE CHECK ENGINE WARNING LIGHT ILLUMINATED AND THE VEHICLE STALLED. THE VEHICLE WAS TAKEN TO THE DEALER MULTIPLE TIMES OVER A SPAN OF THREE YEARS WHERE IT WAS DIAGNOSED THAT THE THROTTLE POSITION SENSOR AND THE PROGRAM SENSOR KIT NEEDED TO REPLACED. THE CONTACT ALSO STATED THAT THE LS VALVE COVER, NUMBER ONE PLUG, CYLINDER HEAD, PISTON RINGS, AND A DEFLECTOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED AND AN OIL CONSUMPTION TEST WAS PERFORMED OVER A SIX MONTH PERIOD. IN ADDITION, THE ENGINE WAS FLUSHED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURES. THE FAILURE MILEAGE WAS 43,000.

EXCESSIVE OIL CONSUMPTION. IT THE 5.3L WITH ACTIVE FUEL MANAGEMENT SYSTEM. GM KNOWNS THERE IS A PROBLEM AND THE ONLY FIX IS TO REPLACE THE RINGS AND PISTONS OR REPLACE THE ENTIRE ENGINE AT THE OWNERS EXPENSE, 5,000.00 - 8,000.00. SINCE IT'S IT'S A DESIGN FLAW, I FEEL THEY SHOULD FIX IT AT NO COST. IT CONSUMES OVER QUART AND A HALF PER 1000 MILES, BOTH HIGHWAY AND CITY AND AT TIMES 2 QUARTS WITH PULLING HEAVY LOADS. I HAVE DONE A OIL CONSUMPTION TEST WITH THE DEALER AND THEY HAVE ADMITTED IT GOES THROUGH A LOT OF OIL. I BOUGHT THE TRUCK USED, AND THE DEALER WHO SOLD IT TO ME NEVER MENTIONED THIS TRUCK COULD HAVE THIS PROBLEM.