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