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Whats the easyest way to change the spark plugs on a 01 navigator

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Not to hard to do. Look on top of the valve covers and find the coils should be one for each cylinder. Remove the 8mm bolt holding the coil down and unplug it, pull up the coil to access the plugs. Some of the bolts and plugs may be harder to get to due to location you might need to have a swivel to access them. You don't have to worry about putting the coils back in the same place because they will mount anywhere. Now if you have a cylinder misfire code you can swap that coil with one of the others and see if the misfire code moves with that coil.

Posted on Sep 29, 2009


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