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Home >> Jeep >> 2007 >> Wrangler X, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0128 To P0202 >> P0201-Fuel Injector 1 Circuit >> Possible Causes

Possible Causes

Possible Causes 
(F342) ASD OUTPUT CIRCUIT
(K11) INJECTOR 1 CONTROL CIRCUIT OPEN
(K11) INJECTOR 1 CONTROL CIRCUIT SHORTED TO GROUND
FUEL INJECTOR
POWERTRAIN CONTROL MODULE (PCM)

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