My gas cap light came on then the next day the engine light came on. on 2006 Mercury Mountaineer

Any suggestions? It came on a day after we put gas in it. Car has been started approx 10 times since light came on.

by in Skiatook, OK on November 29, 2012
2 answers
ANSWER by , November 29, 2012
check the gas cap if it is secure by turning and hearing a click
ANSWER by , November 29, 2012
you may have a vac leak in evap system,get a smoke test done if gas cap does not fix issue