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  1. J

    Improving mpg

    03 dodge ram quad cab with the same engine and 1000 lbs more rated at 15-20. My 03 2wd auto is rated at 17-21. Is it the engine, trans, rear end gears or weight that makes these jeeps horrible on gas
  2. J

    Improving mpg

    I got new ngk copper plugs.tires i put up to 36 psi. I have a code for the rear o2 but that shouldnt effect mpg(so i been told). It does have 218k but runs great with no skipping since i changed the plugs. Trans fluid still looks red and doesnt smell burnt and it shifts fine.i did just have to...
  3. J

    Improving mpg

    03 2wd and getting about 13mpg. Would a cold air intake and gutting the cats and a high flow muffler help mpg
  4. J

    03 liberty 13mpg.help

    i used ngk cooper plugs.i thought downstream o2 sensors were only there to make sure the converters were doing there job and have no effect on drivability
  5. J

    03 liberty 13mpg.help

    just bought a 03 liberty sport 3.7 2wd.new plugs,new air filter.has 217k miles.only code is bank 2 sensor 2 high voltage but shouldnt effect anything.average mpgim getting is 13-14mpg.normal driving.oem tire size is 215-75-16 and have 235-70-16 on it now which is the same size in height but...
  6. J

    wipers dont return to park/rest

    03 liberty.all wiper functions work but wipers dont rest where they should. they dont go up all the way and when shut off they go down to where they should be but go back up maybe 5 inches then stop.

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