Engine light came on/replaced gas cap. Engine light now back on??? on 2008 Chevrolet Equinox

Please tell me what to do. I have an extended warranty for 100,000 miles, but unsure if this qualifies. Do I take it to dealer at this point?

Asked by for the 2008 Chevrolet Equinox
1 answer
you need to have codes scanned at auto zone for free then post them so we can advise