Poor gas mileage

JEEP CHEROKEE
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MJFREUNDL
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I own a late 96 Jeep Grand Cherokee Laredo. It has the inline-6 4-litre engine and has low miles considering it's age. I bought it used from somebody I knew. I put fresh tires, brakes, rotors, and even a new trackbar. All stuff that was just worn out. When I had the wheels done I also had an alignment. I recently replaced the valve cover gasket and one of the pcv vents.
with all that out of the way...my wonderful jeep only gets about 12-13 mpg in the city. A friend of mine who has the exact same jeep gets at lest 15-18 in the city. any ideas?
Mar 20, 2007 at 3:45 PM
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MERLIN2021
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Start with 02 sensor and temp sensor..they are the most involved sensor fuel economy wise...
Apr 2, 2007 at 9:16 AM
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MJFREUNDL
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Would a bad exhaust manifold (ie. leaking) make any difference in the problem?
Apr 9, 2007 at 11:50 AM
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