bmw e46 330ci fault codes

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  1. bmw e46 330ci fault codes 
    #1
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    Car Details
    mjhalifax's Car Details
    Model of Car:
    330i c
    Year of Manufacture:
    2001
    Transmission Type:
    automatic
    Car Body Type:
    coupe

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    uk
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    hi
    can any one help
    my emgine management light keeps coming on
    fault codes are p1620 p0171 p0174 p0313
    i know p0171 means system to lean to bank 1
    p0174means system to lean to bank 2
    p0313 misfire detected with low fuel

    i dont know what p1620 means
    what needs doing to the car to rectify these problems

    the car drives perfect but i keep getting these codes
    i have reset them but they keep coming back
    please help
     
     

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    #2
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    Sounds like you may have an air leak. Check the vacuum hoses for holes or splits, especially the one going to the throttle body.
     
     

  4.  
    #3
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    Car Details
    dailydoggy's Car Details
    Model of Car:
    330i
    Year of Manufacture:
    2001
    Transmission Type:
    manual
    Car Body Type:
    saloon
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    the missfire one is classic running the tank too low sucking air into fuel line..

    P1620 is prolly dodgy thermostat (map cooling control circuit too high)
    330i sport a big chunk of berlin...

     
     

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