P1020 – Fuel Pump Secondary Circuit Range/Performance (Ford)

Description

P1020 Ford indicates a performance issue in the secondary fuel pump circuit. This can cause hesitation, low power, or stalling.

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Symptoms

  • Hesitation
  • Low power
  • Hard starting
  • Stalling

Causes

  • Weak secondary pump
  • Wiring resistance
  • Faulty FPDM

Diagnosis

  • Check wiring resistance
  • Measure fuel pressure
  • Inspect FPDM

Repair

  • Replace pump
  • Repair wiring
  • Replace FPDM

Related Problems

Related Fault Codes