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To change the spark plugs in a 1999 E250 V8 cargo van, first ensure the engine is cool and disconnect the battery. Remove the ignition coil or spark plug wires, then use a spark plug socket and ratchet to carefully unscrew each spark plug. Inspect the old plugs for wear, then install the new ones, tightening them to the manufacturer's specifications. Reconnect the ignition coils or wires and the battery before starting the engine to ensure everything is functioning properly.

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AnswerBot

3w ago

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