2012 GMC SIERRA 2500 Engine Problems
3 NHTSA complaints on file
Engine Issues in the 2012 GMC SIERRA 2500
3 engine complaints have been filed with NHTSA for the 2012 GMC SIERRA 2500. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
3
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Engine Complaints
Truck is a diesel. Fuel pump blew up and died in the middle of the street. Now I'm being told the Fuel system needs completely re done and will cost me 10g. I also found a lawsuit for this issue as well.
WHILE TRAVELING ON THE INTERSTATE AT SPEED AND PASSING SLOWER TRAFFIC; ENGINE POWER FELL OFF, CHANGE FUEL FILTER NOW, ENGINE DERATE, AND CHECK ENGINE LITE, OCCURED. I HAD TO MANEUVER WITH NO POWER THROUGH THE TRAFFIC TO GET OUT OF THE TRAVEL LANES. I WAS THEN STRANDED ON THE INTERSTATE AS THE TRUCK WOULD NOT START. I WAS ABLE TO GET A MECHANIC TO COME AND CHANGE THE FUEL FILTER ON THE SIDE OF THE HIGHWAY, BUT THE TRUCK WOULD NOT START. THE TRUCK WAS EVENTUALLY TOWED TO A SHOP WHERE IT WAS DIAGNOSED WITH A CATASTROPHIC FAILURE OF THE FUEL PUMP (DIESEL MOTOR DRIVEN PUMP).
EMISSIONS FAILURE. NOX SENSOR, DEF SYSTEM. DRIVING, DISPLAY STATES, POOR DEF QUALITY. TOOK IN FOR REPAIR, STILL DEF QUALITY. TRUCK HAS SLOWED TO 55MPH, WILL SLOW TO 4 MPH IN 39 MILES. THEY ARE TROWING PARTS AT IT AT MY EXPENSE. CAN'T PROPERLY DIAGNOSE. THIS PROBLEM IS FROM 2010- CURRENT MODELS OF THESE DIESELS.