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    My XJ Is not running right!and my mileage is about 12MPG Any Help!!!

    HI Joe, I do have an exhaust further back in the system, i dont have any near the O2 sensor. Am going to try to do a repair this weekend. Now getting to the O2 sensor, what be the best way to test the sensor? I have a digital DMM, not an analog one. Thanks. NAXJA
  2. X

    My XJ Is not running right!and my mileage is about 12MPG Any Help!!!

    Hello My fellow Jeep & XJ lovers,my jeep hasn't been running 100%. Let me give a little bit of background on her, 1987 Xj 4.0 I6 engine with Renix FI and my mileage is 154,108,4x4,NP231 Transfer case and I love my Jeep XJ. Original when I got my XJ she had a blow by, the ccv system was saverlly...
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