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2000 grand Cherokee 6 cly 2/ wd

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Old 01-17-2011, 03:23 AM
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Default 2000 grand Cherokee 6 cly 2/ wd

why does my jeep only get 11.6 mpg. when i run diagnostics i get no error codes? sometimes it idle a little ruff. other then that it runs strong.
Old 01-17-2011, 03:30 AM
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Year: 1996
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Engine: 2.5L I4 MPI
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how long has it been since you did a tune up?
Old 01-17-2011, 03:58 AM
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i bought it 8 mo ago. it only has 83,300 miles on it. last tune up was at 81,000 or so. when i bought it it only showed 13.5 mpg. it just keeps dropping. to 11.6 mpg now. help
thanks
Old 01-17-2011, 04:03 AM
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hmmm idk i just got my jeep a few weeks ago so im not fully in tuned to the symptoms of what your going through also i have the 2.5 4 cyl but it could be alot of things like dirty intake dirty fuel injectors.... ummm drag on something (in the motor or transmission) alot of things hope you have luck finding out what it is..... sorry i couldnt help
Old 01-17-2011, 04:26 AM
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thanks, ill keep working at it. I am determined
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