Empowering Car Owners Understanding the P0446 Code and Its Impact

Code P0446 means the car's computer has detected a problem with the EVAP system vent valve. The EVAP system is primarily composed of the gas tank, gas cap, ... A P0446 is not a code that points to a specific problem, rather it indicates a voltage irregularity in the EVAP vent control circuit. P0446 is a BLOCKAGE in the EVAP system. My guess is the vent valve on the charcoal canister is bad. It means the vacuum in the tank is too high. How to fix a Chevy / GMC P0446 engine Code: Evaporative Emission Control System Vent Control Circuit Malfunction Amazon Link to Smoke ... The code sets due to blockage in the EVAP vent, not the portion that goes to your engine. Usually the vent solenoid is the cause but you've ... P0446 EVAP Vent Problem. Getting The Parts Store To Give You Codes Is Not Fixing The Issue.. 36K views · 2 years ago #automotiverepair ... Check engine light on my 2015 Sierra 1500 came on today giving a P0446 evaporative emission system vent control electrical circuit code, ... P0446 indicates an Evaporative Emission Control (EVAP) system vent control circuit malfunction. Typically, this indicates a faulty vent valve. Troubleshooting KIA P0446 Code, "Evaporative Emission Control System Vent Control Circuit Malfunction." My check engine light is on and the code is P0446. Information I know. Definition: EVAP purge/vent solenoid circuit condition. Explanation: The ...