White GMC TRUCK

Published

1993-03-03

Model years

1991–1992

ON TRUCKS WITH VOLVO TD123 ENGINES, THE FUEL INJECTION PUMP MAY FAIL UNDER NORMAL OPERATING CONDITIONS WITHOUT PRIOR WARNING CAUSING THE ENGINE TO OVERSPEED, TO FAIL TO RETURN TO IDLE AND POSSIBLY NOT SHUT OFF WITH THE KEY SWITCH. THIS COULD RESULT IN AN ENGINE FIRE AND/OR LOSS OF VEHICLE CONTROL. CORRECTION: FUEL INJECTION PUMP WILL BE REPLACED ON AFFECTED VEHICLES.