I have a 2009 Nissan Altima, my Check engine soon light came on, I took to dealer, they found code P0442 and code P0456 small evap leak, said would have to do further diagnosing and remove gas tank to find leak, and most likely replace entire tank and parts, estimated $1250. Is this something I need to have done?
Before you do anything buy a new gas cap. 95% of small leaks are gas cap.
I bought a new cap, and after having it for 4 days- the check engine light went out. I'm keeping my fingers crossed! Thanks!
That's what I thought. Bet ya a nickel it won't come back on.
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