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The tenth generation Ford F-Series is a line of pickup trucks that was produced by Ford Motor Company, it was sold from the 1997 to the 2004 model years.

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Sudden engine noise like a gatling gun, no codes.

1999 Ford F-150 5.4l Triton. Driving down the road and all of the sudden major decrease in power and engine rough and loud “banging.” Checked all plugs and coils, no codes at all. No misfires according to OBD2 scan. What could cause this and no codes? Thanks.

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1 Answer

There may be a pushrod bent or a bent valve or lifter(s) are sticking or the engine may have swallowed a valve.

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Car1 will be eternally grateful.
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