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weird code

Discussion in 'ECU's, Electronics, and Tuning' started by jbird, Jun 3, 2004.

  1. jbird

    jbird Junior Member

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    i have a 90 crx with b16a. the ecu is a pr3. the light is blinking two long and four short times. does anybody know what the f..k this code is.
     
  2. radnulb

    radnulb Senior Member

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    24 = ?
    23 = knock sensor
    22 = vtec pressure switch
    21 = vtec solenoid
    20 = ELD (not looked for by PR3 ECU)
    4 = CKP (distributor)
    2 = second O2 sensor
    1 = primary O2

    I'd be willing to bet it is either:
    23 + poor counting (knock)
    23 + 1 (knock + primary O2)
    22 + 2 (vtec pressure + secondary O2)

    24 doesnt exist.
    20 + 4 doesn't make sense due to the lack of ELD.
     
  3. jbird

    jbird Junior Member

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    thats what i thought but ive counted it 20 times and it the same thing every time
     
  4. dohch22a4

    dohch22a4 Senior Member

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    Then it's invalid. Ignore it and reset the ecu. If it keeps doing it, use someone elses ecu. If it keeps doing it, then your car is haunted. Deal with it. :D
     
  5. radnulb

    radnulb Senior Member

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    pull your primary O2 and see if it changes. If it DOESN'T change the blink pattern, you have codes 23 + 1. That would be my bet.
     
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