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Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3361 FMI 7 (ACM) Diesel Exhaust Fluid Metering Unit – Unable to Clear Restriction

DESCRIPTION:Diesel exhaust fluid (DEF) unit – unable to clear restriction.

MONITORED PARAMETER:1. DEF pressure.2. DEF air pressure.

TYPICAL ENABLING CONDITIONS:Dosing enabled

MONITOR SEQUENCE:SPN 4335/14 and 31 active.

EXECUTION FREQUENCY:Continuous when enabling conditions met.

DASH LAMPS:1. MIL2. CEL

ENGINE REACTION:Derate 25%

VERIFICATION:Selective catalyst reduction (SCR) quantity test.

PROBABLE CAUSES:1. Failed DEF pressure sensor.2. DEF metering unit air inlet restricted.3. Flush the DEF system.4. Failed diffuser heater.5. Failed DEF nozzle.6. Failed supply hose for DEF.

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Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3361 FMI 4 (ACM) Diesel Exhaust Fluid Metering Valve Circuit Failed Low
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3361 FMI 3 (ACM) Diesel Exhaust Fluid Dosing Valve Circuit Failed High
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3361 FMI 1 (ACM) Diesel Exhaust Fluid Pressure Duty Cycle Low
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3361 FMI 0 (ACM) Diesel Exhaust Fluid Pressure Duty Cycle High
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