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Thread: Omission light

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    Omission light

    Hello everyone just a quick question,my omission warning light came on,the car drives exactly the same as before,no difference stall.ive been told its the oxygen sensor.can someone tell me how many oxygen sensors an a3 2.0l fsi have and Is it a big or expense job.thanks

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    It tells you something is missing.

    Or is it the Emission light....?
    Ingolstance Read about my A6 HERE.

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    Yeah soz it's emition light.they say it's oxygen sensor.just wondered if big or expensive job

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    I don't know where the sensor is, but assuming it's not an expensive item I wouldn't think it's too much of a job.
    Ingolstance Read about my A6 HERE.

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    Haha.

    The oxygen sensors are <£100 - get on Eurocarparts and have a look. Least its not the Nox sensor as thats >£200.

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    iirc my fsi has 6 exhaust sensors! 2 up at manifold, 2 in front of the cats and 2 after the cats. Not sure what the 2 at the manifold are for. You need to see what the scan said. Will tell you which bank and if its upstream or downstream of the cats.
    2003-2008 1998 Red A3 8L 1.8 Sport
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    You sure its not the ignition light

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    Cheers for your help guys.the garage are saying its something to do with the catalytic converter not functioning so are gna sort it with new cat and gasket.saying its expensive but there doing it as only had car week

 

 

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