Chevrolet Engine Poor Mileage

I Am Getting 12-13 Mpg Fuel Efficiency From My Car On Average. This Seems Low To Me. Can I Do Something To Improve It?

I Have The Vehicle Listed Above With A 1.3 Diesel Engine. It Has High Fuel Consumption But Runs Normally. The Mechanic Said It Might Be The...

Can You Guys Add A Stop Start Feature To The Car? I Would Like To Help With The Fuel Economy And Don't Know If You Guys Can Add That.

Car Runs Poorly And Getting Bad Mileage. The Plugs Were Black And The Engine Ran Poorly.

My New 2011 Chevrolet Malibu 4-cylinder Is Getting The Estimated Gas Mileage For A 6-cylinder. 17/26 Mpg. It Is Supposed To Be 22/33. Any...

Hi, My Fuel Consumption Has Increased, And I Need Help To Get It Back To Normal.

I Filled My Car Up Today. When I Started It The Fuel Gauge Read Full And The Computer Said 345 Miles To Empty. I Drove About 15 Miles And...

I Have A 2009 Chevy Impala. Since Nov. My Gas Mileage Has Been Averaging Between 22-24 Mpg. I Took It To The Dealership And They Say Nothing...

Just Recently Purchased A Left Over 09 Silverado (flex Fuel 5.3) With Fuel Management System. I Traded A 1999 Silverado With 200k On It (15...

I Have A 08 Chevy Aveo And I Work 80 Miles Away From Home, The Car Is Supposed To Get 34 Miles To The Gallon, So I Drive To Work And Back...