Ford F-150 Engine Poor Mileage

Hi, I've Been Getting Poor Gas Mileage And Acceleration For Awhile Now. Based On The Gas Mileage Displayed On The Dash I Used To Get 17...

Until Recently,my Gas Millage Was Approximately 14.5m/gal.,but Then Suddenly Dropped To 9.8m/g.the Only Difference Is That I Started Pulling...

Truck Has 6" Suspension Lift, 20" Rims, 35" Tires, And Full Flowmaster Dual Exhaust. Only Getting Aroung 10mpg. No Warning Or Engine Lights...

When Acceleating From A Stop Thjere Is A Squel I Cant Pinpoint But After Speed Hits 25 Mpg It Stops Is This A Rear Axel Problem

I Have A 2003 Ford F 150 With A 4.6 V8 It Has Flowmaster Exhaust In A Spectre Cold Air Intake And Also Have An Sct Flash Programmer. What My...

My Engine Has Less Than 60000 Miles On It. It's Out Of A Wrecked 01 Model. I'm Only Getting Around 15 Mpg On The Highway. Check...

Rough Idle, Extreme Gas Consumption. Have Pulled Codes.117 An 998 While Running. Haven't Been Able To Find A Lost Of Trouble Codes.....can...

My Truck Listed Above Lariat Was Running Fine. Then Shut Off While Driving. The Ignition Switch Went Bad According To The Mechanic And...

No Matter What I Seem To Do My 4x4 F150 Is Getting Terrible Gas Mileage Any Ideas?

1987 Ford F150 302 Auto 110,000 New Tune Up Plugs Wires Cap. Doesn't Use Oil It Seems That When I First Got This Truck I Got About 15-...