P1016 – Fuel Rail Pressure Sensor Circuit Low (Ford)

Description

P1016 Ford indicates the fuel rail pressure sensor signal is lower than expected. This can cause lean running and hesitation.

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Symptoms

  • Lean running
  • Hesitation
  • Low power

Causes

  • Weak pump
  • Wiring short to ground
  • Faulty FRP sensor

Diagnosis

  • Check wiring
  • Measure rail pressure
  • Test sensor output

Repair

  • Repair wiring
  • Replace sensor
  • Replace pump if needed