ENGINE POOR MILEAGE

I Have A 1983 Chevrolet Pickup With A Brand New Engine Out Of The Crate, Not Rebuilt, With 3500 Miles On It. I Am Getting 13 M.P.G And...

When I Connect Obd2 Scanner To Connecter It Dosent Automaticly Come On, I Checked The Connector And Have No Power To The One Terminal That...

I Faild Emissions Test With High Hydrocarbon Numbers, Have Bad Gas Milage, It Misfires When Cold, Loss Of Power. When Tank Has 1/4 Of Gas...

Engine Performance Problem 1987 Mazda Rx7 Two Wheel Drive Manual 147000 Miles I Have An 87 Rx7 Gxl Non-turbo And It Has A Miss In The...

What Would Cause A Hyundai Sonata To Make Gas Mileage Drop To 1/2? I Keep Oil Clean, Tire Pres Correct, New Air Filter, & Plugs. This Is...

I Just Bought A 2000 Honda Civic (auto Trans.) Recently With 79000 Miles. The Problem I'm Having Is That Whenever I Shift Into Park I Hear A...

Ok My Question Is My Truck Seems To Be Losing Power And Has Really Bad Gas Milage. It Doesnt Buck Or Have A Hard Time Starting Nothing Like...

Where Is The Temperature Sensor Located. I Can Not Find It. The Guage In The Dash Bairly Moves. I Am Getting Bad Gas Milage And Can Not Find...

I Have A 98 Ford Windstar, 3.8l Engine With 170,000 Miles. Two Weeks Ago I Took My Car In Because The "check Engine" Light Was On. The...

What Can Cause A 99 Nissan Sentra To Use Up So Much Gas