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    Re: 2000 XJ 4.0 bank 1 O2 sensor delete?

    I don't know anything about them. Seems like a cheap price
  2. Replies
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    Re: 2000 XJ 4.0 bank 1 O2 sensor delete?

    The reason for the change is emissions control. The single pipe cat provides data for the whole engine. The dual pipe cat and two extra sensors allow the PCM to split the engine into zones and...
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