Inspect Fuel Cut Off Valve And Fill Check Valve

Disconnect the purge line hose and EVAP line hose from the charcoal canister. Plug the cap to the air drain hose. Pressurize 4 kPa (41 gf/cm2, 0.58 psi) to the purge port and check that there is ventilation through the EVAP line hose.


In the condition that the fuel is full, as the float value of the fill check valve is closed and has no ventilation, it is necessary to check the fuel amount (volume).

(d) Check if there is anything struck in the vent line hose and EVAP line hose.

If there is no stuck in hoses, replace the fuel cut off valve and fill check valve.

(e) Reconnect the purge line hose and EVAP line hose to the charcoal canister.

Toyota Echo Canister Value

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