2009 1500 5.7 poor gas mil

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C

CJB7

Junior Member
Joined
Apr 27, 2016
Posts
2
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0
Ram Year
2009
Engine
5.7
Poor gas mileage, 8 mpg, shows no codes, replaced o2 sensors, cleaned Air Raid, replaced PCV idles and runs well - anyone have any ideas ?
 
Hemi450hp

Hemi450hp

Moe's Performance
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Joined
Jul 17, 2012
Posts
9,421
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Location
Conroe, TX
Ram Year
2014 Ram 1500
Engine
Whipple Supercharged 422" Hemi
Have you checked your spark plugs? They are due every 30k miles.
 
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