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P0443: Evaporative Emission System Purge Control Valve Circuit

Severity: Low Usually safe to keep driving, but get it checked.

What does P0443 mean?

There is an electrical fault in the EVAP purge valve circuit.

Generic OBD-II definition: Evaporative Emission System Purge Control Valve Circuit. Confirm applicability in your vehicle service information.

Common causes

  • Failed purge valve
  • Damaged wiring or connector
  • Blown fuse

Symptoms

  • Usually no drivability symptoms
  • Possible faint fuel smell
  • Will likely fail an emissions inspection

Can I keep driving with P0443?

Severity: Low Usually safe to keep driving, but get it checked.

If the check engine light is flashing or the car runs badly, stop driving and have it checked.

Typical fixes

  • Inspect connector
  • Test valve resistance
  • Replace valve

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