2012 GMC SIERRA 2500 Engine Problems

3 NHTSA complaints on file

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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

#11541273 |
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.
#11366632 |
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).
#11022589 |
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.
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