DODGE GAS CAP

Engine Ligth On - Found The Gas Cap Not On Tight. How Do I Remove The Light Or Is It Just As Simple As Taking The - Post Cable Off? I All So...

Where My Mileage Should Be Is Shows Gascap. Do I Need To Replace It? Please Assist. Thank You!

I Just Got This Car And Have This Issues, First It Has A Check Engine Light On And When Pushing Gas Pedal It Can Only Go To 4000 Rpms And...