Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3471 FMI 5 (MCM) Hydrocarbon Doser Circuit Failed Open
DESCRIPTION:
Electronic Dosing Valve (EDV) circuit failed open.
MONITORED PARAMETER:
HC Doser Circuit
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Always enabled
TYPICAL DURATION:
2 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 10%
VERIFICATION:
Engine Idle
PROBABLE CAUSES:
1. Faulty wiring.
2. Faulty HC doser block.
3. Faulty MCM.
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