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Thread: MP computer issues

  1. #1
    Mitsu booster
    Join Date
    Jul 2013
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    Indiana
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    MP computer issues

    I purchased a used MP performance computer from a member on here and when i install it my power loss light flickers quickly and it acts like its running on 3 cylinders. I can put my stock one back in and the car runs fine. Defective MP computer ? Its on my 87 Shelby charger ...

  2. #2

    Re: MP computer issues

    Are you able to pull any codes?

  3. #3
    Hybrid booster
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    Jul 2006
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    Notre-Dame de L'Ile Perrot, QC
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    716

    Re: MP computer issues

    What year is the MP computer for?
    You need a 1986 computor as the 87 charger (L bodies) had 86 electronics.

  4. #4
    Mitsu booster
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    Re: MP computer issues

    I didn't check for codes, ill hook it back up and check again. The power loss light doesn't stay on, it just flickers. the guy I bought it from says its for a 87. here is the part# P4532325

  5. #5
    Hybrid booster Turbo Mopar Contributor shmedley's Avatar
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    Dec 2005
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    Downers Grove, IL
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    779

    Re: MP computer issues

    That's not the right computer for you. That's for an 85 which has a different distributor (and head also)
    Thanks Brad S. SDAC National Proud Member SDAC Chicago Proud Member 14 Ram 1500 86 Shelby Charger "Chicago Stock"

  6. #6
    Mitsu booster
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    Indiana
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    Re: MP computer issues

    I plugged the MP computer back in and checked codes and it shows 13 & 54. It seems to run rich... checked the connectors all looked good, plugged up my old computer and she runs fine.

    - - - Updated - - -

    Gotcha.. thanks..!!

  7. #7

    Re: MP computer issues

    The code 13 is for the MAP sensor and the 54 is for the timing signal (HEP in the distributor), but like shmedley said, the 85 distributor is different.

  8. #8
    Mitsu booster
    Join Date
    Jul 2013
    Location
    Indiana
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    32

    Re: MP computer issues

    yeah... I figured out the guy sold me the wrong one for my car, trying to get ahold of (shellboy)..

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