P2422

EVAP System Vent Valve Stuck Closed

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

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

Related codes

P2421 P2423 P0446