code 446 on in Echo toyota. Why?
P0446 TOYOTA - EVAP System Vent Control Circuit...Possible causes; Missing Fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close, Foreign matter caught in fuel filler cap, Vent control valve harness is open or shorted, Vent control valve circuit poor electrical connection, Faulty vent control valve...
This is on testing of the vapor canister...https://youtu.be/-WY5EVU8sj0
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