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Publication Date: October 13, 2004

2004 F-150


Some 2004 F-150 vehicles equipped with a 5.4L 3-Valve engine may exhibit the malfunction indicator lamp (MIL) on with diagnostic trouble code (DTC) P0354 (Cylinder Number 4 Primary/Secondary Coil Fault). This condition may be due to the A/C line coming in contact with the number 4 coil wire takeout from main harness loom.


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