Thread: 11 mpg!
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  #11  
Old 08-28-2013, 03:03 PM
Jason Rosenzweig Jason Rosenzweig is offline
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Join Date: Aug 2013
Location: Hillsdale, NJ
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Vehicle: 2009 Dodge Ram 3500
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That's about the best you will get. My 2001 5.9 gets between 9-10 city and 15 hwy i did get 16.3 once but thats because I was going down hill in Pennsylvania. I have tried tune ups coil mopar 02 sensors, gas treatments, you name any myth ive tired. Its the nature of the beast with this truck, but its hard to kill the engines. I have 150,000 and its like brand new
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