1997 E36 320 What do these Fault Codes mean?

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  1. 1997 E36 320 What do these Fault Codes mean? 
    #1
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    bigniven's Car Details
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    Just had my 320i SE on the diagnostics, its come up with these fault codes:

    (068) 44 Air Mass flow sensor

    (201) C9 Idle speed actuator, mechanics

    (200) C8 Oxygen sensor control

    Thats what came out of the Digital Motor Electronics (DME) section of faults. The mechanic said one fault may contribue to all these error codes and said they'd nee the car overnight to clear them and re test it in the morning but i need the car for work.

    What do these codes point to being my problem?
     
     

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    #2
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    or any suggestion on what are the best terms to use to search similar posts?
     
     

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    #3
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    Try posting in the right thread..........
     
     

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    #4
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    What they should do is clear the faults then let you drive then go back and diagnose again.It could be one of the sensors or it could be splits in the hoses which you could check yourself
     
     

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    #5
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    Sorry didn't even find this thread!
     
     

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    I would be checking for any air leaks first from split hoses, split vacuum pipes, split engine breather pipes or split induction pipes, also any valves and diaphragms that may have failed. Any air that is sucked into the engine should travel past the Air flow meter otherwise it will give you a running fault and can trigger a Airflow meter fault code.
     
     

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    #7
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    Model of Car:
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    How many vacuum pipes are on the 320i? Are there any pipes that are the usual culprit? The only vac pipe i can find is from the cam cover to the inlet manifold?
     
     

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    #8
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    Model of Car:
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    I checked the pipes i could find, the only problem i found was a small split where the breather pipe goes into the inlet pipe. I sealed it and the symptons havent changed. I see you have mentioned a diaphragm, how do i find it?
     
     

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    #10
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    Model of Car:
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    That is fantastic, thank you
     
     

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