Code Definition

P117D — Fuel Volume Regulator Control Exceeded Maximum Control Limit

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Ford

About P117D

P117D is a manufacturer-specific powertrain diagnostic trouble code recorded for Ford vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P117D is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The PCM monitors the fuel volume regulator, also referred to as the fuel metering valve or MPROP, to control the amount of fuel delivered to the high pressure pump and achieve the commanded fuel rail pressure. DTC P117D is set when the PCM commands the fuel volume regulator toward its maximum duty cycle but the measured fuel rail pressure still fails to reach the desired target. This indicates the system is unable to build sufficient rail pressure despite maximum control effort, which typically causes hard starting, lack of power, hesitation, or a no start condition. The fault is most often ca...

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