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Detroit DD13 EPA07 (2007-09) Fault Code: SPN 615 FMI 14 (MCM) Internal or External Leakage of the High Pressure Fuel System

NOTE: The motor control module (MCM) monitors the rail pressure and when a leakage rate is greater than 150 1/h, the MCM sets the code. There is no fault reaction (limp home mode) associated to this code.

POSSIBLE CAUSES:1. External fuel leakage between the high pressure pump and fuel injectors.2. High pressure pump (pumping elements).3. Fuel injector (amplifier or needle) leakage.4. Pressure limiting valve leakage (internal).

NOTE: The MCM monitors the rail pressure and when a leakage rate is greater than 150 l/h this code is set.

PROBABLE CAUSES:1. External fuel leakage between the high pressure pump and fuel injectors.2. High pressure pump.3. Fuel injector leakage.4. Pressure limiting valve leakage (internal).

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