2011 CHEVROLET AVALANCHE Fuelpropulsion System Problems

ACTIVE FUEL MANAGEMENT PROBLEM - OIL PASSING THE O-RINGS ON THE PISTONS WHICH IS CAUSING THE CHECK ENGINE LIGHT TO COME ON AND ONE CYLINDER OUT OF THE SEVEN NOT WORKING AT ALL. IT CAUSED 2 NEW SPARK PLUGS TO BREAK

TRAVELING AT 65MPH IN -25 DEGREES F, OUR CHECK ENGINE LIGHT AND STABILINK TRACTION CONTROL LIGHTS CAME ON. DASH DISPLAY SAID VEHICLE WOULD LOSE POWER AND OUR ENGINE SHUT-DOWN. WE PULLED OVER ON A SNOWY HIGHWAY AND READ BLOGS AND FOUND OUR THROTTLE BODY SENSOR WOULD CRACK AND FAIL AT EXTREME COLD TEMP. WE STARTED VEHICLE AND IT RESET, BUT SAME PROBLEM HAPPENED WITHIN 5 MILES. I FOUND A AUTO-ZONE IN PRINCETON, MINNESOTA AND BOUGHT PART AND REPLACED MYSELF. AS IT WAS NEW YEARS EVE NO GM ASSISTANCE WAS AVAILABLE. GM TELLS US THERE WAS A SERVICE BULLETIN BUT THEY FAILED TO NOTIFY US. ALSO TOLD US A DEALER WOULD FIX THE PROBLEM FOR FREE, BUT FAILED TO TELL US HOW TO GET TO A DEALER WITH THE ENGINE SHUT DOWN. I RESEARCHED AND FOUND THIS PROBLEM COMMON AT COLD TEMPERATURES. GM WAS DANGEROUSLY IRRESPONSIBLE BY NOT NOTIFYING US. THEY...