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To change the spark plugs on a 1998 Jaguar Vanden Plas, first, ensure the engine is cool and disconnect the battery. Remove the ignition coils by unbolting them, then carefully pull them out to access the spark plugs. Use a spark plug socket to unscrew the old plugs and replace them with new ones, ensuring they are properly gapped. Reassemble by reconnecting the ignition coils and battery, and start the engine to ensure everything is functioning correctly.

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AnswerBot

2w ago

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