PO307 and wires? - F150online Forums

PO307 and wires?

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Old 04-28-2003, 07:07 PM
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Join Date: Dec 2002
Posts: 1
PO307 and wires?

02 f-150 w/4.6 and 60k on it started missing and gave me a PO307 code so I visually checked the the #7 spark plug and boot which looked fine.
My question is can I just replace the spark plug and boot to try and cure the problem and can I buy just 1 boot from the dealer?
These spark plug wires and boots look like nothing I have seen before the look like thick speaker wire. Thanks, Ryan
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Old 04-29-2003, 09:55 AM
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Join Date: Aug 2002
Location: Winchester, MA
Vehicle: 2001 Ford F150
Posts: 357
That funny looking boot is actually your coil for that plug. You have a coil on plug ignition system (wish I had that!). Try replacing your plugs first, then move to the coils packs. It is not uncomon to have a bad coil pack, however it is not the first thing to replace.
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