- cracked or clogged EVAP VSV vacuum hoses (Toyota) - bad EVAP VSV valve (Toyota) - improperly routed vacuum hoses - open or short in the purge valve control wiring - rusted filler neck (rust belt states) How the code p0441 is diagnosed: Without a scan-tool:The first part is to ...
I am driving first car(Toyota corolla LE- year 2001, 42000 miles) of my life and today morning It failed road side inspection. The error code given are 1) P0446 : Evaporative Emission control system Vent control circuit 2) P0441 : Evaporative emission control system incorrect purge flow 3...