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cel o2 sensors ranger 4.0

  1. J

    Help with CEL codes

    Hi all, I have been experiencing an intermittent check engine light on my '94 Ranger 4.0 V6, and I did the "jump wire" test with the EEC and pulled the codes 175, 176, 181, and 189. These all seem to deal with mixture and the O2 sensors, is it most likely that my O2 sensors need replacing or...
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