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  1. M

    Spark Plug Help

    Hi - I have a '98 with the 5.4L engine. I'm a fairly competent home mechanic and I didn't think changing spark plugs would be a big challenge, but I'm stuck after finishing 7 of the 8 plugs and could use some advice. The first 7 plugs just took a bit of time, patience and a 7mm flex...
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