ENGINE POOR MILEAGE

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...

Have Changed Oil, Change, Plugs, Air Filter Change, Fuel Filter Change Still Consuming.

I Used To Get Close To 30 Mpg Now Maybe 18-20 The Highway, In Town Maybe 15 Or Less. I Have A Mpg Indicator That Fluctuates Quite A Bit On...

I Use This Car For Delivery Work A Lot. Yesterday I Put Over 250 Miles On It Delivering. On A Mail Route, With The Heavy Stop And Go, It...

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...

Hi Guys, I'm Currently Getting About 300 Km To A Tank Of Gas, About 60 Liters Of Fuel, Before I Need To Fill Up. It Is Pretty Hilly...

Went From 31 Highway, To 18, City 22 To 15. I Replaced Plugs, Air Filter, And Master Air Flow Sensor. It Acts Like It's Missing...