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P0443

Low Severity

EVAP Purge Control Valve Circuit

EVAP System

What Does P0443 Mean?

Electrical fault in the EVAP purge valve circuit.

Common Fix

Replace purge valve

Estimated Cost (DIY)

$15 - $50

Symptoms

  • ⚠️Check engine light
  • ⚠️No driveability symptoms

Common Causes

Failed purge valvelikely
Wiring issuepossible

How to Diagnose P0443

  1. 1Check purge valve connector
  2. 2Test valve resistance
  3. 3Replace valve

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Related Codes

Frequently Asked Questions

Where is the purge valve?
Usually on or near the intake manifold, connected to a vacuum hose and the charcoal canister.
Can I test the purge valve?
Yes β€” apply 12V directly to the valve. You should hear it click and be able to blow through it when energized.

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