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Re: P0442 code
P0422 - EVAP problem
Because of Age/mileage Plastic, rubber, gaskets, and seals go bad.
1) Visual inspect EVAP system.
2) A smoke test is used to pin point leaks in the EVAP system.
Yes - A bad Gas cap, gas cap seal, gas tank neck, and rubber hoses going to the charcoal canister.
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