Buy OEM General Motors Part # 12674703 (12588992, 213-1696, 2131696). Sensor Assembly - 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.