Check Engine light come on after getting refueled. on 2006 Nissan Altima

We ordered a new gas cap, but the service guy said it wasn't the gas cap. He said it was the evaporator control valve. What is that and how much is it?

Asked by for the 2006 Nissan Altima
Have a proper diagnosis and get the exact code. There are hundreds of codes for your car and guessing can empty your bank account and still the car is not fixed!

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