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Recent content by red93yj

  1. R

    Runs Rough 30s after start then OK

    thanks for the help ecomike.
  2. R

    Runs Rough 30s after start then OK

    I have a 98 TJ 4.0 with the EXCACT same symptoms. Im planning to buy this upstream o2 sensor, but first I have two questions, I cant find an o2 heater fuse or relay ANYWHERE. Second question.... would this o2 failure cause me to get HORRIBLE gas milage all the time? Or does it finally warm up...
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