4.6 Expedition Spark Plug Change Need advise My #6 coil went bad after checking it at autozone. I bought Autolite Plantinum spark plugs and a new coil. After reading some I am now hesitate and was needing advice . I m scared of spark plug blow outs and wondering if these plugs are good and what i need to do extra to avoid problems. GOt a 4.6 2001 expedition. thanks
gapping also at 5.3 untill I pull one out to compare gap |