ENGINE POOR MILEAGE

My Car Idles At 1600 Rpms When I First Start It Up In Cold Weather. Then Slowly Comes Down To 1200. I Let It Run The Other Day For 45...

Was Getting 32.4 Mpg On Highwat And 21 Mpg In Town. Had Oil And Filter Changed At Dealers And Mileage Went To 17 Mpg On Highway And 12 In...

As I Was Driving Home From Work This Evening My Mpg Went From 28 Mpg To 10 Mpg. What Could Be Wrong?

We Have A 2005 Saturn Ion2, 2.2, Auto, 17500miles. Since New Best Highway Mileage Is 26 Mpg. In Town Is 16 Mpg. Back To Dealer Many Times...

:( I Would Like To Know If It Is Normal For My 2002 Ram To Be Getting Only 10 To 12 Mpg A Tank! My Fiance Has A 02 Model Also Base Model...

I Am Getting 12-13 Mpg Fuel Efficiency From My Car On Average. This Seems Low To Me. Can I Do Something To Improve It?

My Sunbird Just Recently Has Very Poor Gas Mileage, We're Talking 10 Miles To The Gallon Here! What Possibly Could Be The Reason For Such...

My Car Has A V-8 5.0 Engine And The Gas Milage Has Been Slowly Declining. Last Summer I Was Getting 15 Miles To The Gallon. Now I Am Only...

I Have What Acts Like A Low Speed Miss, I Am Pretty Sure It Is Mechanical -u-joints, Rear Axle, Rear End, Etc Runs Fine After 30 Mpg, Or If...

I Am Developing A New Telematics System And Require The Instantaneous Mpg And Mph From The Vehicles Can Data. Does Anyone Know Which Line Of...