2018 Ford Focus Titanium, 4D SedanFACTORY OEM SERVICE PROCEDURE

DTC P0001 - Fuel Volume Regulator Control Circuit/Open

P0001 - FUEL VOLUME REGULATOR CONTROL CIRCUIT/OPEN

Description:  This DTC sets when the PCM detects high or low voltage on the FVR and FVRRTN circuits.
Possible Causes: 
  • FVR circuit open
  • FVRRTN circuit open
  • Fuel volume regulator solenoid coil open
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST HP .
Factory Service Tools

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When to See a Mechanic

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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