Engine lifter failure and oil consumption
ENGINE
8 quejas de NHTSA · 2016-12 → 2020-12
“I HAVE A 2008 CHEVY AVALANCHE LTZ WITH THE 5.3L V8 ENGINE WITH ADAPTIVE FUEL MANAGMENT. IT WAS PURCHASED USED WITH 120K MILES. IT BECAME APPARENT THAT THE ENGINE WAS CONSUMING OIL, 1-2 QUARTS PER 3000 MILES”
“THE ACTIVE FUEL MANAGEMENT (AFM) SYSTEM HAS FAILED CAUSING THE MOTOR TO LOSE COMBUSTION IN ONE OF THE AFM CYLINDERS (CYLINDER 7 TO BE EXACT) DUE TO THE AFM LIFTER FAILED AND HAS JAMMED THE EXHAUST VALVE OPEN”
“THE 5.3 VORTEC ENGINE LIFTERS COLLAPSE TOOK TO DEALER FIXED FOR 1000.00 DOLLARS DROVE 30 MILES HOME FROM DEALERSHIP STARTED TICKING AGAIN”