1999 9-3 Faulty 3rd Injector

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Thread: 1999 9-3 Faulty 3rd Injector

  1. #1
    Saab Newbie
    Join Date
    Jul 2019
    West Coast, USA

    1999 9-3 Faulty 3rd Injector


    I have a 99 9-3 SE. I've determined that there's an issue with the wiring to my 3rd Injector, similar to the issue described here (https://www.saabscene.com/forum/thre...-circuit-error).
    However, that thread is for a later model, as well as for TiD, which my 9-3 isn't. Does anyone know if the part mentioned there (93189918) is compatible with my car, or have any other suggestions for parts I could get?

    Thank you!

    (For those curious, I figured out the issue by testing the voltage to ground of each wiring harness. All 4 had the same reading for the hot side, but the 3rd had a way high reading for the ground side, which should've been 0. I also tested the resistance of the plugs, which were all the same, and listened to the injectors firing, which all sounded good)

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  3. #2
    Saab Afficionado
    Join Date
    Dec 2003

    Re: 1999 9-3 Faulty 3rd Injector

    Have you probed the wiring back from the connector to establish a break or corrosion (high resistance) problem.
    I usually do this type of thing sticking a tiny pin in the wire at various points back through the crimps etc
    Best bet is probably a breaker........if its definately the wiring.
    Any Tech2 codes to work with?
    Use the troubelcodes to troubleshoot using the WIS (Tech2 section on Saabcentral)

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