I have a 2004 Ford F150 FX4 5.4L that sounds like a diesel. Every time I leave the engine running and someone walks by they stare at it because of the noise and I often receive comments from people in the know that it sounds like a diesel pickup. Exhaust noise is normal but there is a distinct…

F150 Sounds Like a Diesel

dakotalacrosse May 5, 2010, 12:13pm 7

It does indeed sound like a worn camshaft and lifters, but I’m hoping that’s not the problem! I’ll post back if I find out more. Thanks.