Detroit DD13 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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