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Possible Causes

Possible Causes 
(K242) KNOCK SENSOR NO. 2 SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K242) KNOCK SENSOR NO. 2 SIGNAL CIRCUIT OPEN
(K924) KNOCK SENSOR NO. 2 RETURN CIRCUIT OPEN
(K242) KNOCK SENSOR NO. 2 SIGNAL CIRCUIT SHORTED TO THE (K924) KNOCK SENSOR NO. 2 RETURN CIRCUIT
(K242) KNOCK SENSOR NO. 2 SIGNAL CIRCUIT SHORTED TO GROUND
KNOCK SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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

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