JMB RetrofitsAH Fabrications
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  1. #1
    1st Gear

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    O2 Sensor & VAGCOM code - Help please.

    All,

    Just got this code warning...
    Fault Code: 16518
    O2 Sensor Circuit - No Activity Detected (Bank 1 Sensor 1)

    Is this the upstream or downstream from Cat sensor.

    Also where is the best place to get one??
    Heard talk of the cheap ones failing again.

    Jas

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  3. #2
    S3 Paul's Avatar
    6th Gear

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    I think... might be wrong.
    Its the upstream one.
    I got mine from Euro car parts. bosch jobie.
    I would how ever check the wires to it. and the plug... might have just broke wire??
    Normaly they rattle when the are broke. take it out and give it a shack lol.
    Noggy Blue 2001 S3

    I ask questions because i change my mind so much. If i ask questions you have already covered... just leave it be?

  4. #3
    1st Gear

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    Anyone know for sure?

    And is the upstream sensor the lambda sensor?
    Cheapest place for a Bosch one?

    Cheers
    Jas

 

 

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