Detroit DD15 GHG14 (2014-16) Fault Code: SPN 164 FMI 4 (MCM) Fuel Rail Pressure Sensor Circuit Failed Low (Short to Ground)
NOTE: Fault may be induced by low battery voltage.
DESCRIPTION:
Fuel rail pressure sensor circuit failed low.
MONITORED PARAMETER:
Fuel rail pressure sensor.
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 25%
VERIFICATION:
Engine Idle: One minute.
NOTE: Most common reason for this code is low battery voltage.
PROBABLE CAUSES:
1. Fuel rail pressure sensor.
2. Fuel rail pressure sensor harness/connector.
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