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hi what can i do to increase the fuel economy on my 09 ram 1500 quad cab with a 3.7L v6. I make 16mpg to 16.5 hwy and city driving. I really need to increase the mpg. hurting the wallet too much. any help is greatly appreciated
 

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other than driving habits, there is nothing you can do or change to get more mpg. good engine, from the days of cheap gas, but they are thirsty.
 

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Some help for you

Hi the two most common things you can do to your truck are:
CAI (Cold Air Intake) :smileup:
Freer flowing exhaust (a better muffler and exhaust pipe or pipes) plus they sound good too. :pepper:
After these the mods and gains from other mods for our little 3.7 are both expensive and show very little gains. :shrk:
 

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also, more ideas:
- swap gears / final drive ratio to a lower numeric set
- run 'fuel max' or other 'ECO' tires
- run narrower tires
- lower truck
- tonneau cover
- remove unnecessary weight (junk in trunk)
- drive slower, drive smoothly, coast into stops, etc. (braking = lost energy = lower FE)
- use A/C (and defrost) as little as possible
- use cruise control as much as possible (except in hilly terrain where it will downshift too much)
- high mileage truck = fresh (front) oxygen sensor(s?); as they age, they read lower = more fuel
 
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