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Diff Between Pr3 And Pr3-joo

Discussion in 'ECU's, Electronics, and Tuning' started by Danabis, Apr 22, 2003.

  1. Danabis

    Danabis Member

    Likes Received:
    Dec 23, 2002
    just finished a swap and tracking down the last lil bugs i noticed that under the ecu reference they show pr3-joo being in a 92 teg (jdm) and i noticed that my ecu says pr3-joo. my car runs fine except the low end bogging from either my tps or knock sensor that i havent fixed yet. just wondering if there is any diff in the two or will either work?
  2. AllMotorMonster

    AllMotorMonster Senior Member

    Likes Received:
    Oct 13, 2002
    Inland Empire foo!

    There are 2 OBD's available for the PR3.

    OBD1 and OBD0

    88-91 is OBD0

    92-95 is OBD1

    You can tell by looking at the plug ends of the ecu.

    88-91 had 2 distinctly different style plugs

    92-95 had 1 long gray plug, 2 rows tall. (3 rows would be OBD2 or 2b, but the PR3 did not exist in this version)
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