Detroit DD15 GHG14 (2014-16) Fault Code: SPN 654 FMI 4 (MCM) Injector Cylinder #4 Needle Control Valve Abnormal Operation (MIN)
DESCRIPTION:
This code will set when the Needle solenoid current response time does not meet requirement.
MONITORED PARAMETER:
Injector cylinder #4 needle control valve current.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
.06 msec
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
1. Derate 25%.
2. EGR Valve shut.
3. DPF Inhibit Regeneration.
VERIFICATION:
Engine idle: One minute.
NOTE: If code 168-xx or 723-xx present, fix those first.
PROBABLE CAUSES:
1. Front fuel injector harness connection (14-pins).
2. Injector harness.
3. Failed injector.
4. Engine side harness failure.
5. MCM (Engine ECM) failure.
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