How do I Replace Oxygen Sensors on a 2001 Jaguar XK8?

Written by john kearns
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The oxygen sensors on a 2001 Jaguar XK8 regulate the amount of oxygen burnt in the engine, and they improve fuel efficiency and reduce pollution. Over time, the sensors can become ineffective, causing the XK8 to have poor fuel economy and produce excess pollution. The 2001 Jaguar XK8 has two oxygen sensors, and replacing them when necessary can make your Jaguar more fuel-efficient.

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Things you need

  • Oxygen sensor wrench
  • Anti-seize compound

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  1. 1

    Locate the XK8's oxygen sensors, which are located on either side of the catalytic converter on the exhaust system. The Jaguar's oxygen sensors look similar to a spark plug with an electrical wire at the end.

  2. 2

    Remove the Jaguar's wiring harness. Using your fingers, pull off the wire at the end of the XK8's oxygen sensors. Do not damage the end of the wire.

  3. 3

    Remove the Jaguar's oxygen sensors from the exhaust system by using an oxygen sensor wrench.

  4. 4

    Apply anti-seize compound to the threads of both oxygen sensors and the threads to which they connect.

  5. 5

    Install the new oxygen sensors by using a wrench to tighten the new oxygen sensors on to the Jaguar's exhaust system. Reconnect the XK8's wiring harness to the oxygen sensors by pressing firmly until you hear a "click."

Tips and warnings

  • Remove the oxygen sensor when the XK8's engine is warm. Over time, the sensor can get stuck on the car's exhaust system. A warm engine can make it easier to remove.
  • A Jaguar's exhaust system can reach high temperatures quickly. Work with caution to avoid getting burnt.

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