2000 e46 318i se 02 heater circuit

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  1. 2000 e46 318i se 02 heater circuit 
    #1
    Bimmer Fan
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    ian07799's Car Details
    Model of Car:
    318i se
    Year of Manufacture:
    2000
    Transmission Type:
    manual
    Car Body Type:
    saloon

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    Jan 2011
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    hull
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    Hi all, Can I just tap into someones knowledge.

    Could sombody tell me what the resistance of the aftercat o2 sensor heater should be, I know the front should be inbetween 2-3 ohms

    Thanks in advance
     
     

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    #2
    Bimmer Fan
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    Same again, should be approx 2 ohms. Failing heater ccts show around 5 ohms onwards.
     
     

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    #3
    Bimmer Fan
    Car Details
    ian07799's Car Details
    Model of Car:
    318i se
    Year of Manufacture:
    2000
    Transmission Type:
    manual
    Car Body Type:
    saloon

    Join Date
    Jan 2011
    Location
    hull
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    Thank you. Can I also ask if the 02 sensor heater is duff for the postcat will this effect the o2 sensor heater on the precat as I presume they will be on the same wiring circuit.
     
     

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    #4
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    No because the heater ccts work independently.
     
     

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    ian07799 (06-02-2011)

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