Jeep Liberty Engine Poor Mileage

I Have A 2004 Jeep Liberty. I Recently Change The Brakes And Now My Gas Mileage Is Dropped From 250 To 175 A Tank. I Have Also Started...

I Just Tuned The Vehicle Up Last Weekend. Fuel Mileage And Run Ability Improved Dramatically, But Today Put $15.00 In Gas Gave Me A Bit Over...

Engine Performance Problem 6 Cyl Four Wheel Drive Automatic 66000 Miles I Have Had My Jeep For A Little Over 4 Years Now On Average I...