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Home >> Jeep >> 2008 >> Commander Limited, 5.7 2, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0198 To P0335 >> P0204-Fuel Injector 4 Circuit >> Possible Causes
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Possible Causes

Possible Causes 
(F42) ASD RELAY OUTPUT CIRCUIT
(K14) INJECTOR CONTROL NO.4 CIRCUIT OPEN
(K14) INJECTOR CONTROL NO.4 CIRCUIT SHORTED TO GROUND
FUEL INJECTOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.