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96 grand cherokee ECM problems

Discussion in 'Grand Cherokee' started by Apples62, Apr 19, 2021.

  1. Apr 19, 2021 at 3:39 PM
    #1
    Apples62

    #1
    Apples62 [OP] New Member

    Joined:
    Apr 19, 2021
    Member:
    #5558
    Messages:
    1
    Gender:
    Male
    Vehicle:
    96 grand cherokee
    Several months ago my 96 grand cherokee started throwing random codes. Cam sensor, coil, CPS, IAC.
    Replaced coil, IAC, cps, distributor.
    I zip tied all three harnesses to the ECM. No change. Re-replaced sensors with oem stuff just to be sure.
    I have since ordered two reprogrammed ecm's off eBay which brings me to my question.
    Both of the new computers will start the jeep and it will run like a champ for about half a second and then die. Have 50 psi fuel pressure at rail.
    If I hook the original ecm up it will run like a champ until you shut it off. When you restart it it will throw a code. Usually cam position sensor, but not always.
    Any thoughts??
    Thanks in advance.
     
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    Apples62, Apr 19, 2021
    #1
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