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Possible Causes

Possible Causes 
INTERMITTENT DTC
(K344) FUSED MAIN RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
(K18) COIL 3 CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
IGNITION COIL 3
POWERTRAIN CONTROL MODULE (PCM)

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