2011 GMC SIERRA Engine Problems

WHILE DRIVING DOWN THE INTERSTATE AT 70 MPH MY SERVICE TRACTION CONTROL MESSAGE, SERVICE STABILITRAK MESSAGE, CHECK ENGINE LIGHT, AND REDUCED ENGINE POWER MESSAGE CAME ON. THE VEHICLE STARTED RUNNING VERY ROUGH IT WOULD NOT GO ABOVE 50 MPH. I DROVE APPROXIMATELY 3 MILES TO GET OFF THE INTERSTATE INTO THE GAS STATION PARKING LOT. I TURNED IT OFF FOR ABOUT 10 MINUTES WHEN I TURNED IT BACK ON ONLY THE CHECK ENGINE LIGHT WAS ON I TOOK IT TO THE SHOP AND THEY RAN TESTS AND SAID IT WAS THE BATTERY. TWO WEEKS LATER IT HAPPENED AGAIN SAME THING WHEN I TURNED IT OFF IT WORKED FINE AFTER SITTING FOR 10 MINUTES I GOT HOME AND WHEN I GOT A CHANCE TO LOOK AT IT TO DAYS LATER THE CHECK ENGINE LIGHT WAS OFF. I HAVE READ A LOT AND FORUMS ABOUT PEOPLE HAVING THE SAME ISSUE BUT NO...

DASHBOARD HAS CRACKED AT THE AIR BAG. LIFTERS HAD TO BE REPLACED AND NOW THE CAMSHAFT IS MAKING NOISES. MY TRACTION CONTROL KEEPS SHUTTING ITSELF OFF AND TELLING ME TO SERVICE IT. REALLY BAD WIND NOISE COMING FROM THE PASSENGER PILLAR.

THE TBS GOES OUT. PUTTING THE TRUCK INTO REDUCED POWER. I WAS GOING 65 MPH AND THE TRUCK SLOWED DOWN TO 15 MPH ON THE FREEWAY. LOSE ALL BREAKS CONTROL , ABS GOES OUT TO. ALMOST HAVE BEEN DUE TO GM

TL* THE CONTACT OWNS A 2011 GMC SIERRA. WHILE AT A STOP LIGHT, THE VEHICLE LOST POWER AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT TWO SPARK PLUGS NEEDED TO BE REPLACED AND THAT THE VEHICLE CONSUMED EXCESS ENGINE OIL. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE PCV VALVE, VALVE COVER, AND TWO SPARK PLUGS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 31,500.

ENGINE LIGHT SYMBOL MESSAGE APPEARED ON VEHICLE DURING THE EARLY PART OF SEPTEMBER. (NOT QUITE SURE OF THE DATE). DEALERSHIP INDICATED THAT THE WORK WAS COVERED UNDER WARRANTY AND WILL REQUIRE A FULL DAY TO REPLACE PARTS. AFTER REPAIR THE VEHICLE SEEM TO OPERATE EXCELLENTLY UNTIL THE MIDDLE PART OF OCTOBER. ENGINE LIGHT MESSAGE APPEARED AGAIN ON VEHICLE. AT THIS TIME THE SERVICE MANAGER IDENTIFIED THE PROBLEM AS A SENSOR OVERHEATING. NEEDED TO BRING VEHICLE BACK WHEN DIESEL MECHANIC IS ON DUTY. REQUESTED ADVICE FOR TRAVEL. SERVICE MANAGER CLEARED CODE. ENGINE LIGHT MESSAGE CAME ON AGAIN IN MINUTES. THE NEXT DAY WHILE TRAVELING ENGINE LOST OF POWER MESSAGE CAME ON WITHIN 150 MILES FROM WHERE WE DEPARTED. BEFORE LOST OF POWER A MESSAGE OF LOW IN EXHAUST FLUID FLASHED ON AND OFF. PULLED TO THE SIDE OF THE ROAD AND TURNED ENGINE OFF FOR ABOUT 30 MINUTES. RESTARTED VEHICLE AND...

AFTER APPLYING BRAKE TO SLOW DOWN TO < 5 MPH (NOT COMING TO A HALT) AND THEN TRYING TO ACCELERATE, VEHICLE BECOMES UNRESPONSIVE FOR 1 TO 2 SECONDS; IT FEELS LIKE THE TRANSMISSION GOES INTO NEUTRAL DURING THE BRAKING PERIOD AND WHEN GAS PEDAL IS APPLIED, THERE IS A 1 - 2 SECOND TIME PERIOD WHERE VEHICLE IS TRYING TO FIGURE OUT SOMETHING AND PREVENTS ANY ACCELERATION. WHY IS THIS DANGEROUS? I FOUND MYSELF IN A LEFT TURN ONLY LANE/GREEN LIGHT WITH OPPOSING TRAFFIC, AND I ATTEMPTED THE LEFT TURN WITH ONCOMING TRAFFIC BECAUSE I THOUGHT THAT I HAD AMPLE TIME BUT THE VEHICLE JUST SAT THERE FOR 1 - 2 SECONDS, AND WITH THAT I FOUND MYSELF IN A DANGEROUS PREDICAMENT BECAUSE THE ONCOMING TRAFFIC WAS GETTING VERY CLOSE. IF THE VEHICLE HAD RESPONDED WHEN I NEEDED IT TO, IT WOULD NOT HAVE BEEN A CLOSE CALL. THIS BEHAVIOR...

I OWN A 2011 GMC SIERRA 3500 6.6 DURAMAX DIESEL TRUCK. WHEN THE TRUCK IS "REGEN-ING" THE "DPF", RAW FUEL LEAKS FROM AN EXHAUST COUPLING LOCATED AT THE TURBO AND DOWN-PIPE SATURATING THE HOT EXHAUST PIPE WITH FUEL. WHEN YOU COME TO A STOP WHILE IT IS IN THIS REGEN MODE WHITE SMOKE BOILS OUT FROM UNDER THE HOOD AND ENTERS THE CABIN INDUCING A COUGHING FIT AND BURNING EYES. I TOOK THE TRUCK TO A GMC DEALER IN SAN ANGELO TX AND TOLD THEM ABOUT THE PROBLEM. WAS TOLD THAT THEY COULDN'T REPLICATE THE PROBLEM THAT I WAS DESCRIBING AND THAT I SHOULD REST ASSURED BECAUSE "DIESEL WON'T BURN ANYWAY". *TR