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Q:

How to change sparks plugs? on 2001 Ford Expedition

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On top of the sparks plug their are metal lines, do I have to remove those, do you know what are those? or what does it contain?
(1) Answer
it is the fuel rails. no, they do not have to be removed. the coils are flexible enough to come out around them. tkaes a lot of time. be carefull.

Roy