What does a N80 valve do?
The primary function of the purge valve (N80) is to capture fuel vapor from the fuel tank and return it to the fuel system so that it can be burned in the engine instead of being released into the air. The purge valve is short for the canister purge valve, but it may also be called the evap purge valve. via
What is a N80 valve in VW? (video)
Can I clean a purge valve?
The Purge solenoid valve is an integral part of the vehicle. The purge solenoid valve is connected to the engine. It begins passing the heated air when the engine warms up. Use the air pressure can or water spray to clean the purge solenoid valve. via
Can the EVAP system cause knocking?
Why does my EVAP or the canister make a knocking sound can EVAP be bypassed. Could be the EVAP canister has reached the end of it's life. This will sometimes make a car hard to fill with with gas, as the tank will not vent properly. There is no way to bypass it. via
Can you delete EVAP system?
Basically all you need to do is locate your Fuel Tank Vent Line and unplug it from the Charcoal Canister. Locate your Vapor Purge Valve and unplug the lower hose that connects to the Charcoal Canister. Now plug the Fuel Tank Vent Line directly to the Vapor Purge Valve. via
Can a clogged charcoal canister cause misfire?
Can Bad Evap Valve Cause Misfire? Charcoal canister fuel vapors start to collect in the valve when it fails to open on time. As a result of this situation, the vapors can flood the engine cylinders, causing an abnormal fuel mixture to form and burn. The engine will misfire and choke as a result. via
Can a bad EVAP purge solenoid cause stalling?
Can bad purge solenoid cause stalling? If the canister purge solenoid starts to go out, the Check Engine light will come on and your car will not pass an emissions test. In addition, the buildup of fumes inside of the canister can cause your vehicle to stall or misfire. via