Ford F-150 5.4L Triton Has 400+ NHTSA Spark Plug Complaints: What Stripped Threads, Oil Pan Leaks, and Deferred Maintenance Really Add to a $13K Used Truck Budget
The 2004-2008 Ford F-150 5.4L Triton 3-valve engine has 400+ NHTSA complaints tied to spark plug blowout and thread failure. Add oil pan leaks and fuel system neglect, and a $13K used truck can carry $2,800 in deferred maintenance before you turn the key.
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