Our Disco was occasionally throwing the CEL with a P0441 code for the past couple of months. It did it maybe once every few weeks and would clear itself after a day or so. Well the light has been on for a few weeks now so I figured whatever was on its way out finally gave up the ghost. Anyway I put on a new charcoal canister and whatever that box is next to it today and it didn't solve the issue. It needed a new one anyway as the original was was banged up so no harm done.

Where should I go from here? New fuel purge valve? New gas cap? Is there a way to find a leak in the lines? Thanks!

 

441 is an incorrect purge flow which could be caused by a leak, failing purge valve or other items. If it were mine I would have a smoke test done to find a possible leak.

 

What is the easiest way to do a smoke test. I don't smoke... Lol.