Component
ENGINE AND ENGINE COOLING
Manufacturer
GENERAL MOTORS CORP.
What Happened
Your vehicle's crankshaft position sensor may not work correctly, causing the engine to run rough or stall.
Risk if Unfixed
If the sensor fails completely, the engine can quit running and not restart, which can increase the risk of a crash.
Free Fix
A free replacement of the crankshaft position sensor will be done by your dealership, and the recall started on December 18, 2007.
Show original NHTSA language
Original — What Happened
ON CERTAIN PICKUP TRUCKS EQUIPPED WITH AN 8.1L V8 ENGINE, THE CRANKSHAFT POSITION CAN OPERATE INTERMITTENTLY OR FAIL COMPLETELY. IF THE SENSOR OPERATES INTERMITTENTLY, THE SES LIGHT MAY ILLUMINATE AND THE VEHICLE MAY RUN ROUGH. THE ENGINE MAY STALL, AND IF SO, MAY RE-START IMMEDIATELY OR AFTER A COOL DOWN PERIOD.
Original — Risk if Unfixed
IF THE SENSOR BECOMES COMPLETELY INOPERATIVE, THE ENGINE WILL QUIT RUNNING AND WILL NOT RE-START. EITHER OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH.
Original — Remedy
DEALERS WILL REPLACE THE CRANKSHAFT POSITION SENSOR FREE OF CHARGE. THE RECALL BEGAN ON DECEMBER 18, 2007. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC AT 1-866-996-9463.
View full recall details →
Repairs are free at any authorized dealer. Find a dealer →