6.0
fairly significantTypical Repair Cost:
$400.00
Average Mileage:
100,000 miles
Total Complaints:
1 complaints
Most common solutions:
- not sure (1 reports)
engine problem
Helpful Websites About 1999 Ford F-250 check engine light on - cylinder misfire code
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A D V E R T I S E M E N T S
2006Dec 27
F-250 XLT 5.4L
DO NOT Change the plugs in the aluminum head without any threads. It's a big concern to cross thread the plug into the head and require a brand new head. Additionally if the Coil On Plug (COP) is not seated and sealed correctly with the dielectic grease, water will fall into the plug hole and cause the coil to go bad(misfire). Very simple to change out the coil (one bolt and small hands required) but costs $100 from dealer. So far the after market COPs I got on Ebay have worked for a couple years now.
Brett P.
El Dorado Hills, CA, USA
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