I have a 2004 jeep grand cherokee special edition with 4wd and a Inline 6. What can

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gfrat07

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i do to increase the mpg? The mpg seem really bad for a I6. I have less then 10k miles on it so maybe its not completely broken in yet.
 
Trade it ! The normal things like tire pressure, alignment, filters and driving habit of course help and you could try a good fuel injector cleaner and premium fuel to see if you get an increase in MPG worth the expense of high test, some times it is. But those Jeeps are notorious for poor fuel economy, as most 6 Cly. 4x4s are. I seen reports of them getting only 12 or 14 MPG in normal every day driving and the V8's only getting 7 or 8 in town.
 
not sure how bad your mileage is but probably around 20 on highway and 15 16 in the city guessing. driving habits are usually the easiest way to get better mileage. some people are all or nothing drivers if they are going its at the floor. You can get engine breathing a little better with open exhaust and cold air intake. makes your engine run a little more efficient. Make sure tuneup is ok probably if you only have 10k on it. tire pressure is another problem.
 
what kind of mpg are you getting my moms 04 GC l6 doesnt get a whole lot better than my 4.7 v8. my 04 GC v8 gets around 14-16mpg city and 18-20mpg highway @70mph. what are you getting?
 
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