POOR MILEAGE Questions

It Rough Idles From 1k To Like 400 And It Has Accelerating Issue. When I Press The Gas Revs Go Up But Not The Speed. There Is Just A Random...

2003 Ford E350 Super Duty Stripped Chassis Van, 5.4l Reg Fuel, No Burn Or Leaks. Plugs Have ~15,000 Miles And New Coil Packs About 5...

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 Burns Too Much Fuel When The Tank Is Full I Have A Digital Display Fuel Guage And Every Quarter Of A Tank Is Supposed To Drive Me...

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 Ago....

I Have Just Finished A Engine Overhaul. A Week Ago-my Tazz 2e 1300 Suddenly Started Jerking When Pulling Away. Once At Speed She Isn’t...

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...

This Is Going To Be Detailed. I’m Having This Problem Where When I’m At Very Low Speeds But Mostly Stopped At Like A Light (not In Park...

Ugly Won't Start On The First Crank Of The Keys But Will On The Second Turn Of The Key . After It Starts It'll Run A Little Rough For About...

Uon Start Up It Runs Rough For About 4-5seconds The Clears Out. My Problem Is Why Would I Only Get About 217 Miles From 15 Gallons Or Is...