Recent content by rpm620

  1. R

    96 XJ Help with New Motor and ECU

    if it had a bad sensor, loose connection or broken wire.. then the 1999 PCM would not run the engine. That is what is making this really odd. He can clear the PO320 code.. try and start the jeep with the 1996 PCM 10 or so times before the PO320 comes back.. then clear the code again and throw...
  2. R

    96 XJ Help with New Motor and ECU

    Basically as soon as you let the key go....after about ten tries you get PO320 (no crank reference signal at pcm) but circuit and sensor test good. The odd part is that the 99 PCM runs it.
  3. R

    96 XJ Help with New Motor and ECU

    I have been looking all over the internet trying to figure this out with no luck so I'm posting here in hope some one can make sense of this. 1996 XJ Sport 4.0L 225k Auto My original 4.0 motor died about a month ago. We went ahead and swapped a Reman Motor from Jasper Engines into it. All new...
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