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Mileage Help

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Old 10-10-2009, 10:41 AM
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Year: 2001
Model: Cherokee
Engine: 4.0
Default Mileage Help

My '01 Cherokee's mileage is HORRIBLE. It is not my daily driver, but I know I used to get 16-20mpg, but something has happened and I can barely muster 14mpg. I have about 130k miles. I have done some mods, but all were done well before my mileage took the plunge. Any suggestions on what I should do/check? I have never replaced my o2 sensors, so could that be all of it??? Thanks.
Old 10-10-2009, 10:48 AM
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fuel injectors can be dirty?
Old 10-10-2009, 11:36 AM
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exhaust leak/clog? tires?(pressure, balanced, etc)

check that stuff and maybe run some seafoam through your TB
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