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Old 11-01-2011, 02:39 PM
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Barnyard Barnyard is offline
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Join Date: Oct 2009
Location: Katy, TX
Age: 41
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Vehicle: 2011 Ram 1500
Trim Level: Sport
Color: Bright White
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Originally Posted by jj ram View Post
Hey guys,
I have noticed recently that my gas mileage has been getting worse.

I drive daily to and from work a 34 mile (55 KM) each way highway commute, with stop and go city traffic for the last 10 miles.

I was averaging around 18 mpg (12.5 L/110KM) but it has now increased to 16 mpg (14.5 L/100 kms). I am running no modifications and have not changed driving habits.

The truck has 29,000 miles (47,000 kms) on it. I know the spark plug change is coming up, would it make that much of a difference in gas mileage? I have noticed that the truck has lost some of it's "get up an' go". The air filter was changed not that long ago.
Ethanol back in the gas for the winter? Check to see that your local blend for gasoline hasn't changed.
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