2004 Ford Taurus Q&A

2004 Ford Taurus Question: lousy mileage

My miles per gallon has dropped from 19 or 20 mpg to 16 or 17 miless per gallon, why? -
Answer 1
I would check your basics, i.e. how are your tune up parts i.e. spark plugs, filters? Do you have a Service Engine Soon Light on ? This could mean that an engine sensor is not working properly which will really effect your mileage. -