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    bmw 323 2.5 1999 Archived Message

    Posted by jamie lambert on April 10, 2008, 9:21 pm

    Hi everybody
    Had the above vehicle in today sorry forgot to take the engine number. Fault coded with launch fault codes were
    203(p0173) fuel trim bank 2 control limit
    202(p0170) fuel trim bank 1 control limit
    228(p1189) fuel trim bank 2 permissble range exceeded
    242(p0305) misfire cyl 5
    243(p0306) misfire cyl 6
    241(p0304) misfire cyl 4

    Checked for air leaks and found a breather hose split so replaced that thinking that would do it.
    Started vehicle up let it warm up to check on the gas analyser, gases looked fine no high oxygen content. Read fault codes and 203,202,228 were back within about 10 mins of just idling.
    I looked at some live data its as follows

    02 apadtion bank 1 1.26
    02 adaption bank 2 1.26
    mixture adaption long term bank 1 -0.51 ms
    mixture adaption long term bank 2 -0.50 ms
    mixture adaption short term bank 1 1.71%
    mixture adaption short term bank 2 2.31%
    air mass 11.5 kgh

    The mil light only comes on when the misfires are logged and it only does it when it is idling. Does the system need to be re-adapted after having the air leak. Can anybody give some advice it would be much appreciated.
    Regards Jamie

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