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Remove engine cover, determine which coil is bad or better yet replace them all. Remove the electrical connection from ignition coil, remove 7/32 bolt from coil (be careful not to drop),pull coil from top of sparkplug and remove.

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โˆ™ 2007-05-24 16:51:25
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Q: How do you change a bad coil on a 2003 Ford Expedition?
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