P0444 Nissan -replaced purge valve and charcoal canister in the rear and still see code

Question

I replaced purge valve and charcoal canister
and I'm still getting code p-0444 why??

Answer 1

Hi there,

First, you need to make sure the purge control valve is actually working when it's called for by the ecm. Also, check the pressure sensor to make sure it's working properly, if not, then the purge may not be called for or the pressure sensor may not be working.