OBD Guide

P2422

EVAP System Vent Valve Stuck Closed

P2422 is an OBD-II diagnostic trouble code meaning: EVAP System Vent Valve Stuck Closed. Common causes: mechanical valve jamming, valve is dirty or clogged. 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 Is On
  • Increased fuel consumption
  • Difficulty starting the engine
  • Unusual sounds from the fuel tank area
  • Difficulties in engine idle speed

Causes

  • Mechanical valve jamming
  • Valve is dirty or clogged
  • Open or short circuit in valve circuit
  • Solenoid valve malfunction
  • Wiring Harness Problems

How to Fix

  1. Check the condition of the EVAP ventilation valve
  2. Clean or replace a stuck valve
  3. Check the integrity of the circuit and connection
  4. Check the operation of the solenoid valve
  5. Scan the system for other fault codes

Related codes

Error P2422 by Vehicle Brand

FAQ

What does the P2422 code mean?

P2422 is an OBD-II diagnostic trouble code that indicates: EVAP System Vent Valve Stuck Closed

What causes a P2422 error code?

The most common causes of P2422 include: Mechanical valve jamming; Valve is dirty or clogged; Open or short circuit in valve circuit; Solenoid valve malfunction.

How do I fix a P2422 diagnostic trouble code?

To fix P2422: Check the condition of the EVAP ventilation valve. Clean or replace a stuck valve. Check the integrity of the circuit and connection. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2422?

Yes, but get it checked soon

How much does it cost to fix P2422?

The estimated repair cost for P2422 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat