How can i fix a P4055 leak?

Question

I got a new gas cap and that didn't fix the problem. When I run heat in my jeep it sometimes smells off. I'm trying not to have take to shop. How can fix this on own?

Answer 1

Big EVAP leak are easy to fix, yes there are time you need a EVAP smoke machine, in many time they are fix by inspection and your nose. at the evap charcoal canister look for any evap hose rot or disconnection. Because you can smell the fuel vapor at times it should be easy