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    • K
      PCM is attempting to add fuel to a perceived lean condition, based on O2 feedback. If you were getting fuel in through the purge...
    • K
      Ksat replied to the thread Misfire woes.
      Thanks for the suggestion. I ended up going with one on eBay, just a little while ago. Only around $70, which includes programming-...
    • K
      Ksat replied to the thread Misfire woes.
      Thanks for the detailed reply, dtennes. Yes, I'm still throwing a misfire code, which is expected since the cylinder is still misfiring...
    • K
      Glad you got it sorted and thanks for updating us.
    • K
      Ksat replied to the thread Misfire woes.
      You were right on the money, reload40s. Bad PCM. Specifically, a bad coil driver, I imagine. I scoped the ignition primary on 4 and got...
    • K
      Ksat replied to the thread Crankshaft position sensor.
      You ought to test the sensor before just condemning it. Just because you have a code for it doesn't mean it's faulty
    • K
      Ksat reacted to dtennes's post in the thread Misfire woes with Like Like.
      Home made noid looks like this. Handy because you can simply plug the electrodes into the FI injector connector housing and tape the...
    • K
      Ksat replied to the thread Misfire woes.
      Firstly, thank you all for the replies. To answer some questions, To clarify, I could feel the engine missing a minute or 2 after start...
    • K
      Ksat reacted to dtennes's post in the thread Misfire woes with Like Like.
      To clarify, did you physically swap your COPs or just rearrange them while they were still attached to their wires? The true test is to...
    • K
      Ksat reacted to klc's post in the thread Misfire woes with Like Like.
      It’s possible something smoked on the PCM board. I’ve seen a post around here that mentioned finding something similar.
    • K
      Ksat reacted to dtennes's post in the thread Misfire woes with Like Like.
      I posted a detailed explanation of how to build/install (a) Fuel Injector and (b) Ignition Coil wiring harnesses from scratch. If you...
    • K
      Ksat posted the thread Misfire woes in KJ General Discussion.
      '06 Liberty 3,7. Misfire on cyl 4. Scoped for secondary waveform on its COP and got no signal (tested adjacent COPs and got a good...
    • K
      Weird. I have an '06, too, and had the same thing happen where at first it worked intermittently then later quit altogether.
    • K
      Ksat reacted to Jhkj04's post in the thread Valve cover leak with Like Like.
      Follow up- finally I just ordered a set of plastic covers with integrated gaskets and it’s done. Online for $80. The factory style...
    • K
      Ksat replied to the thread 2002 jeep liberty.
      I believe the TCM is part of the PCM.
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