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    BMW 523i 1999 2.5L 25 6S4 Archived Message

    Posted by Iain Wood on October 4, 2007, 11:25 am

    Hi

    BMW 323i 99 poor idle, and misfires, lean mixture, Faults listed- Lambda control at stop bank 1 & 2 combustion failures on all cylinders.
    The vac pipe along the top of injector rail has been previously replaced. Suspect air leak but do not seem to be able to locate a problem.
    Camshaft VANOS timing appears to be inoperative as cam timing is static.

    This is the first time we have seen this vehicle and it would appear that this problem has been ongoing. Suspect MIL light bulb has been removed.

    Would appreciate some pointers.

    Thank you
    Iain G Wood

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