P1424 – EVAP System Vent Control Fault (Ford)

Description

P1424 Ford indicates the EVAP vent control system is not operating within expected parameters.

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Symptoms

  • Fuel smell
  • Poor fuel economy
  • High emissions

Causes

  • Stuck vent valve
  • Clogged vent filter
  • Wiring issues

Diagnosis

  • Inspect vent valve
  • Check filter
  • Test EVAP flow

Repair

  • Replace vent valve
  • Clean vent filter
  • Repair wiring