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  1. #1
    Neutral

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    Nov 2013
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    84

    oxygen sensor heater circuit

    hello
    my ecu gives fault code: oxygen sensor heater circuit bank 1 sensor 1

    i replaced the sensor and the problem not solved
    what can fix this problem?

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  3. #2
    jay1601's Avatar
    5th Gear

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    Jun 2010
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    kingsclere
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    did you replace the correct sensor, you may have 2 depending on engine.

    new or used part ?

    fitted correctly ?

    damage to wiring/block?
    Audi A3 8L 1.8T breaking.
    front bumper, impact bar, slam panel, full engine and loom sold.
    everything else for sale.

  4. #3
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    hello
    its used o2 sensor
    i see damage to the wiring from the ecu near the o2 sensor
    they have cut and stripped together with glue.

 

 

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