Rick's Free Auto Repair Advice

Posts Tagged: vent valve

P0446 Toyota EVAP vent solenoid

Fix code P0446 Toyota EVAP vent solenoid Toyota is having a lot of problems with failures in their EVAP systems. The most common code P0446 pertains to the vent solenoid. This is the solenoid that opens to allow air into the charcoal canister during a purge cycle. The solenoid is normally closed. When it is energized it opens and allows air in. If it sticks open, the pressure sensor on the charcoal canister won’t see an increase in vacuum and will set code P0446. However, there are two solenoid valves; … Read More

P0446

P0446 Evaporative Emission Control System Vent Control Circuit Malfunction If you have a P0446 Evaporative Emission Control System Vent Control Circuit Malfunction read this article to fix it. The evaporative emission control system checks to make sure there are no leaks in the lines that run from the gas tank to the charcoal canister and up to the engine. It also checks to make sure the gas cap is sealing correctly. When you fill your car with gas, the vapors in the tank get forced into a canister filled with … Read More


Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN