ENGINE POOR MILEAGE

My Vehicle Has An Aftermarket Holley Carb And The Gas Consumption Went Up. What's Wrong.I Have A Manual Choke And It's Open, Not Stuck.

About My S-10 I Was Asking About I Got It In Dec 09 The Check Engine Light Was On It Was For The Catalytic Converter I Put One On, Before...

Even Though The Jimmy Has 217k Miles I Think It Has A Few Thousand More Left. We Had Problems With It Not Starting And I Had Local Mechanic...

This Ranger Has Recently Began Using Excessive Fuel Between 24-34 Miles Only On A Full Tank Of Fuel It Had A Code And The Dpfe Was...

I Did A Tune Up To My Car And The Now Its Eating Up Way To Much More Gas Than Usual. There Is No Leak In The Fuel Line. I've Noticed That...

I Waste 16 Gallons Of Gas In 3 Days Just Driven In Town

Engine Performance Problem 6 Cyl Four Wheel Drive Automatic 66000 Miles I Have Had My Jeep For A Little Over 4 Years Now On Average I...

I'm Getting Less Than 25 Mpg With This Car On The Highway. I Should Be Getting 35 Or Better. Po171 Code Among Other Evap Codes. Live...

I Have Black Smoke Coming From Exhaust Pipe And Very Poor Gas Mileage (8 Miles Per Galllon). Please Help

If It Were Me I Wouldn't Mess With The Throttle Body Especially If Its Idling Fine. Do You Have Any Check Engine Lights? If Not, Try...