car is giving less than 8 miles per gallon of gas

Go to autozone or another part store and get a free engine code read and post results on here so we can assist you better.

have codes scanned at auto zone and post so we can adv

I have this issue and my check engine light is on and always flashing at me telling me that its happening while driving. I went and Had the codes read at nappa auto parts. Happened to be a misfiring cylinder 3 and now I need to figure out why this is happening. I believe it may be a blown head gasket so I am preparing for a top engine rebuild.... might as well do the whole thing while im at it...