Refueling Vapor Control Valve Stuck Closed

Common symptoms

What you'll notice

• Inspect the refueling vapor control valve for any signs of physical damage or blockage and repair or replace as necessary.
• Check the wiring and connections to the refueling vapor control valve for any loose or damaged wires and repair or replace as needed.
• Perform a diagnostic scan to check for any related error codes or issues in the engine control module (ECM).
• Clean the carbon buildup or debris from the refueling vapor control valve and its surrounding components.
• If all else fails, consider replacing the refueling vapor control valve altogether.

Common causes

Most likely first

1. Malfunctioning or faulty Refueling Vapor Control Valve
2. Clogged or restricted fuel tank venting system
3. Damaged or leaking fuel filler neck or cap
4. Faulty fuel tank pressure sensor
5. Issues with the evaporative emission control system

How to diagnose & fix

Work through it in order

1. Difficulty starting the vehicle
2. Engine misfires or runs rough
3. Decreased fuel efficiency
4. Strong smell of fuel from the exhaust
5. Check Engine Light (CEL) illuminates