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fuel mileage

impetus-93xj

NAXJA Forum User
Location
Burnaby B.C
my fuel mileage in me 93 xj is as bad as iv ever seen in any truck.... is this normal in these xjs?
 
Not really sure what you think is bad. I know right after I bought my daughter a 92xj I drove it to work and back and got around 20-25 on the freeway going about 75-80 mph. But it is all stock. My 88yj only gets about 12-15 on a good day with wind pushing me. But a lifted box does not cut through the wind that good.
 
I get about 17mpg mixed on 31's, gearing equal to stock, I guess I don't know if that's good bad or indifferent so I can't be much help.
 
there are about eleventy billion threads on this one....read the one about "Acetone"

you could do any number of things to improve your milage...

Tune up
New O2 sensors
Injector cleaner
Engine flush/change all fluids (TC, tranny, diffs)

there are a ton of little things you could do to to help by .5-1 MPG...or more.

BUT...for any real help, you need to be a lot more specific....how bad is your mileage...any other symptoms, running rough, etc...
 
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