P0455 code - large Evap leak, how much approx cost

[jaisal]

How much would be approx cost for diagnose and fix Evap leak , any guess . I Have Nissan Sentra 2001

[macnut]

You had an earlier post with more detailed info.,
so I know you have eliminated the gas cap as the cause,
and tried turning the code off but it returns.

Have you ruled out the purge valve in the evap. cannister?

If not, it could cost you $0 if you are able to fix it like this guy did:

http://forums.nicoclub.com/zerothread/349066

[jaisal]

thanks for all your help..