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  1. Evap system issues Gross Evap Leak / Vent Valve codes 0455

    1st Gen Hangout
    2004 Frontier XE with 2.4 liter engine, RWD. Check engine light has been on and I am having trouble getting it to go off. It has passed a smoke test, and I have had the Vent Valve and Canister replaced. Also the purge valve was replaced a year or so ago. I had the dealer check the codes out...