1999 E46 318i - Fault Codes

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  1. 1999 E46 318i - Fault Codes 
    #1
    Bimmer Fan
    Car Details
    lee_hdi's Car Details
    Model of Car:
    318i
    Year of Manufacture:
    1999
    Transmission Type:
    Manual
    Car Body Type:
    Saloon

    Join Date
    May 2010
    Location
    Sheffield
    Posts
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    Hello,
    Just scanned my E46 and got various fault codes. I'm using INPA. Basically looking for a heads up, of where to start. It seems that the MAF is faulty, I've tried cleaning it with electrical contact cleaner, but it hasn't done anything. I know when the MAF is faulty, it generally flicks up the lambda sensor as well.

    Heres the codes anyway....


    141 – Lambda Regulation Control Range Block
    Error Occurred 1
    Engine speed - 880.00 1/min
    54.00 mg/AS/Z
    Battery Voltage – 13.75v
    Distance - 329610km

    Error Occurred 2
    Engine speed - 880.00 1/min
    54.00 mg/AS/Z
    Battery Voltage – 13.75v
    Distance - 329680km

    120 – Signal Air Flow Meter
    Error Frequency: 9
    Error Occurred 1
    Engine speed – 760 1/min
    Coolant Temperature – 51oC
    Throttle potentiometer – 0.61v
    Distance – 329650km

    Error Occurred 2
    Engine speed – 1240.00 1/min
    Coolant Temperature – 94.50oC
    Throttle potentiometer – 1.31v
    Distance – 329670km

    Error Occurred 3
    Engine speed – 1000 1/min
    Coolant Temperature – 77.25oC
    Throttle potentiometer – 0.92v
    Distance – 330110km

    121 – Signal Intake Air Tempreature
    Engine speed – 1040 1/min
    Wahre Regelgroesse Last – 102.00 mg/AS/Z
    Battery Voltage – 13.94v
    Distance – 329650km

    171 – Test Fuel Supply System
    Engine Speed – 880 1/min
    Coolant Temperature – 83.25 oC
    Battery Voltage - 13.75v
    Distance – 329770km

    Where would you suggest I go from here?

    Its the M43B19 engine.

    Thanks,
    Lee
     
     

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  3.  
    #2
    BMW Guru
    Car Details
    TheEnd's Car Details
    Model of Car:
    540
    Year of Manufacture:
    1998
    Transmission Type:
    Auto
    Car Body Type:
    Saloon
    TheEnd's Avatar
    Join Date
    Jun 2010
    Location
    Birmingham
    Posts
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    Clear them and wait.

    It's looking like the Air Flow meter has been sending some bad signals a few times, so you'll need to find out if it is current or old / intermittent.

    It could be as simple as a loose connection.
     
     

  4.  
    #3
    Bimmer Fan
    Car Details
    lee_hdi's Car Details
    Model of Car:
    318i
    Year of Manufacture:
    1999
    Transmission Type:
    Manual
    Car Body Type:
    Saloon

    Join Date
    May 2010
    Location
    Sheffield
    Posts
    9
    Thanks
    3
    Thanked 0 Times in 0 Posts
    They all come straight back, as soon as you take it for a drive.
     
     

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