200 toyota Avalon 6 cyclinder OBDII P0441

Question

OBDII P0441
Changed the gas cap and check engine light comes back on.
Please advice

Answer 1

Hi there,

This means there is a leak in the evap system in some location other then the gas cap. You can have the system smoke checked and then locate the leak and resolve it that way. Typically the vent control valve sticks open and is the problem.