FixVault

Possible Causes

Possible Causes 
(F42) ASD RELAY OUTPUT CIRCUIT
(K28) INJECTOR CONTROL NO. 8 CIRCUIT OPEN
(K28) INJECTOR CONTROL NO. 8 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 .