KIA ENGINE POOR MILEAGE

My Car Only Gose 80 Mpg With The Peddle To The Floor And When I'm Going Up Hill I Press The Peddle Al The Way To The Floor And It Make A...

Engine Performance Problem 2002 Kia Spectra Automatic 123853 Miles I Have Recently Bought A 2002 Kia And I Feel That There Are Two...

Hi, I Noticed Car Fuel Mileage Started To Drop From 15km/liter To 8km/liter. What Should I Check To Troubleshoot This Issue? This...

The Car Is Averaging 42-miles Per Quarter Tank Of Gas. No Check Engine Light, Good O2 Sensor, And I Got A Tune Up, Oil Change 3 Months...