Canister-close-valve-hyundai-elantra May 2026
: The vehicle's computer (PCM/ECU) commands the valve to close to seal the EVAP system for pressure leak tests.
: Use pliers to slide back hose clamps and disconnect the vacuum lines. Unplug the electrical harness from the valve. canister-close-valve-hyundai-elantra
: If the valve is stuck closed, air cannot escape the tank as you add fuel. This causes the gas pump nozzle to repeatedly click off before the tank is full. : The vehicle's computer (PCM/ECU) commands the valve
: Unscrew the Phillips screws or pry the valve out of its mounting bracket on the canister. canister-close-valve-hyundai-elantra
If the canister close valve fails, it can lead to several noticeable issues: