04 F150 Lariat/Mark lt.

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07-05-2019, 04:00 PM

Todd D,

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04 F150 Lariat/Mark lt.

Problems okay Two codes popped up numbers for six cylinder bad coil and spark plug bad 17730 miles plugs where change 4000 miles ago and I put new coil on 6, 550 miles Help!!! Please thank you in advance

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07-05-2019, 11:30 PM

steve(ill)

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give the actual code numbers... not an opinion of what is wrong... What motor do you have , 5.4 or 4.6 ? Did you use MOTORCRAFT plug or other ? ......Water / antifreeze can get into a spark plug hole and short the coil to ground... Pressure wash or heavy rain lately ?

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