2018 Ford Transit Connect XL, Van PassengerFACTORY OEM SERVICE PROCEDURE

DTC P0181 - Fuel Temperature Sensor A Circuit Range/Performance

P0181 - FUEL TEMPERATURE SENSOR A CIRCUIT RANGE/PERFORMANCE

Description:  This DTC sets when the fuel rail pressure temperature (FRPT) sensor is out of self-test range.
Possible Causes: 
  • Engine coolant temperature is less than the self-test threshold
  • Fuel rail temperature is less than the self-test threshold
  • Damaged fuel rail pressure temperature (FRPT) sensor
Diagnostic Aids:  Check for other PCM DTCs. Diagnose all other PCM DTCs before continuing diagnosis.
Bring the engine to normal operating temperature. Verify the engine coolant temperature is greater than 77°C (170°F) and the fuel rail temperature is greater than 10°C (50°F). Clear the PCM DTCs. Repeat the self-test.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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