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?

10

Asked by Apr 24, 2015 at 04:41 PM about the 2009 Nissan Altima 2.5 S

Question type: Maintenance & Repair

3 Answers

146,315

Before you do anything buy a new gas cap. 95% of small leaks are gas cap.

3 out of 3 people think this is helpful.
10

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!

1 out of 1 people think this is helpful.
146,315

That's what I thought. Bet ya a nickel it won't come back on.

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