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Possible Causes

Possible Causes 
INTERMITTENT DTC
(K42) KS SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K42) KS SIGNAL CIRCUIT SHORTED TO GROUND
(K42) KS SIGNAL CIRCUIT SHORTED TO (K942) KS RETURN
(K42) KS SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(K942) KS RETURN CIRCUIT OPEN OR HIGH RESISTANCE
KNOCK SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .