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  1. #1
    Join Date
    Oct 2018
    Location
    Ontario, Canada
    Posts
    11
    My Cars
    2004 BMW X5

    Engine Light On; Idle Valve

    Hi there,
    On my 2004 X5, 3.0i, I've got the engine light on. The car starts and runs perfectly fine. I took out the DISA and Idle valves. Cleaned them both, tested Disa, flap works fine with the hole closed and open; the Idle valve rattles fine after cleaning. It was kind of stuck prior to cleaning. Put everything back on cleared the code P1092, and P0420, started the engine, after 5 or ten minutes of driving the light came back on.
    The full scan is show below for before and after cleaning. I use the Foxwell scanner for BMW, slow but thorough. and I still have the P1092 & P0420.
    Any help is much appreciated.

    Fault Codes (Before cleaning Idle valve)
    E9 DME: Catalytic-converter efficiency, bank 1
    EB DME: Trimming, oxygen sensor before cat., bank 1
    8D DME: Plausibility, tank fill level
    1F DME: Activation, ignition, cylinder 5
    3 DME: Activation, ignition, cylinder 6
    2 DME: Activation, ignition, cylinder 4
    D2 DME: Error, ign.-current measurement at more than 2 cylinders
    F2 DME: Misfire, cylinder 5
    F3 DME: Misfire, cylinder 6
    F1 DME: Misfire, cylinder 4

    Status Report (After cleaning Idle Valve)
    E9 DME: Catalytic-converter efficiency, bank 1
    EB DME: Trimming, oxygen sensor before cat., bank 1
    8D DME: Plausibility, tank fill level
    1F DME: Activation, ignition, cylinder 5
    3 DME: Activation, ignition, cylinder 6
    2 DME: Activation, ignition, cylinder 4
    D2 DME: Error, ign.-current measurement at more than 2 cylinders
    D1 DME: Anti-tampering protection EWS

  2. #2
    Join Date
    Jun 2014
    Location
    Canada
    Posts
    54
    My Cars
    1988 325is 2004 X5
    How long has the check engine light been on ??

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