OBD Guide
ENFRDEESPT

P1443

Evaporative Emission Control System Control Valve

P1443 is an OBD-II diagnostic trouble code meaning: Evaporative Emission Control System Control Valve. Common causes: evap purge valve malfunction, open or short circuit in valve control circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Unstable engine idling
  • The smell of gasoline in the cabin or near the car

Causes

  • EVAP purge valve malfunction
  • Open or short circuit in valve control circuit
  • Problems with the engine control unit
  • Purge valve clogged
  • EVAP system leak

How to Fix

  1. Check valve control circuit integrity
  2. Check the resistance of the purge valve
  3. Clean or replace purge valve
  4. Check the EVAP system for leaks
  5. If necessary, replace the engine control unit

Related codes

P0443P1441P1442

Error P1443 by Vehicle Brand

BMWFordLincolnMazdaMercuryMitsubishiNissanSubaruVolkswagen

FAQ

What does the P1443 code mean?

P1443 is an OBD-II diagnostic trouble code that indicates: Evaporative Emission Control System Control Valve

What causes a P1443 error code?

The most common causes of P1443 include: EVAP purge valve malfunction; Open or short circuit in valve control circuit; Problems with the engine control unit; Purge valve clogged.

How do I fix a P1443 diagnostic trouble code?

To fix P1443: Check valve control circuit integrity. Check the resistance of the purge valve. Clean or replace purge valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1443?

Yes, but get it checked soon

How much does it cost to fix P1443?

The estimated repair cost for P1443 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat