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  1. #1
    Reverse Gear

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    o2 Sensor and Spark Plugs Help

    I have performed a search and only found details on the 1.8t engine. I have a 99 A3 1.6 and have come across a few queries/problems.

    1: Does my model have 2 x o2 sensors?
    2: If it has two where is the pre cat lambda sensor located and how do i get to it?
    3: How do i remove the HT leads to get to the spark plugs? I tried pulling and twisting but i didnt wnat to force them excessively.

    Thanks.

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  3. #2
    jay1601's Avatar
    5th Gear

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    will be on the manifold or on the down pipe. can't be too hard to find. will need a 22mm open ended spanner or a 22mm lambda socket.

    just pull them out. if they are the same when i had a 1.6
    Audi A3 8L 1.8T breaking.
    front bumper, impact bar, slam panel, full engine and loom sold.
    everything else for sale.

 

 

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