Shop OEM GENERAL MOTORS Part # 12585546 (12703627). Sensor, CR/SHF POSN. Crankshaft Position Sensor - Repair or Replace A failed crankshaft position sensor will often cause your

Crankshaft Position Sensor - Repair or Replace
A failed crankshaft position sensor will often cause your to crank without starting or may cause it to die intermittently. If your check engine light is on as a result, our technicians can diagnose and repair the problem.