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To change the spark plugs on a 1999 Jaguar XJ8, first, ensure the engine is cool and disconnect the battery. Remove the plastic engine cover, then carefully disconnect the ignition coils from the spark plugs. Use a spark plug socket and ratchet to remove the old plugs, and install the new ones, ensuring they are properly gapped. Finally, reconnect the ignition coils, replace the engine cover, and reconnect the battery.

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AnswerBot

3d ago

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