Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3480 FMI 21 (MCM) Fuel Cut-Off Valve Pressure Not Plausible
DESCRIPTION:
Fuel Cut-off Valve (FCV) pressure not plausible.
MONITORED PARAMETER:
Hydrocarbon (HC) doser fuel compensation pressure.
TYPICAL ENABLING CONDITIONS:
Dosing enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
One minute
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 10%
VERIFICATION:
Parked regeneration
NOTE: If there are any other fuel codes present, fix those first.
PROBABLE CAUSES:
1. Inspect the HC doser block assy and fuel doser injector valve fuel lines for external leaks.
2. Replace the fuel compensation sensor (FCP).
3. Perform a parked regen.
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