Code result
P2422
EVAP Canister Vent Valve Stuck Closed
Moderate severity
What it means
The vent valve at the canister end of the EVAP system cannot open. Without ambient air entering the canister, fresh fuel cannot purge the stored vapors and refueling may trigger ORVR issues. Common with rusted or rodent-damaged vent valves.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Vent valve seized closed
highOne of the most commonly reported causes for this code — check this first.
Drive circuit open
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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