P1443 – EVAP Control System Purge Valve Fault (Ford)

Description

P1443 Ford indicates a malfunction in the EVAP purge valve control system.

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Symptoms

  • Rough idle
  • Fuel smell
  • Poor fuel economy

Causes

  • Faulty purge valve
  • Wiring issues
  • Vacuum leak

Diagnosis

  • Test purge valve
  • Inspect wiring
  • Smoke test EVAP

Repair

  • Replace purge valve
  • Repair wiring
  • Fix leaks

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