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bad miss/bogging problem

Discussion in 'Under the Hood' started by scsr_11, October 21, 2009.

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    1. scsr_11

      scsr_11 New Member

      Joined:
      September 9, 2009
      Messages:
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      City, State:
      Fort Oglethorpe, GA
      Year and Model:
      1993 XLT
      1993 Eddie Bauer 4.0 4 door

      I've been searching for a REALLY bad miss/bogging problem for a couple weeks. I replaced plugs, plug wires, vacuum lines, fuel filter and even put a ground strap on the firewall that the previous motor swapper didn't do. Problem still persisted.

      I finally figured out how to read the codes via the CEL. The CEL had been going off on me while driving and especially when the X would barely pull a hill. I had the battery unhooked so the Continuous Memory codes were probably cleared but I was gonna check anyway, and then drive it and set the CEL off again. On Demand = 111 Continuous = 111 KOER = 172

      HOWEVER, after simply running the KOEO and KOER test, the truck now purs! Plenty of power. No miss or bog.
       
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