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See my response above. I don't think it's piston slap because I hear it when the engine is not under a load. When I put a little bit of load on the engine, the noise goes away. Decel rattle is a known issue with the 3rd gen Coyote in the 2018-20 trucks, and there is a TSB for it that calls for...

Thanks much. To answer your questions: I'm planning to stick with a 5,000 mile OCI. Not planning to do UOA. Have never done used oil analysis before, but seems unnecessary with a short OCI, especially given my penchant for using oils that claim to be formulated for long OCIs. I'd like to...

Occasional lurker/first time poster here. I have a 2015 Ford F150 with the 2nd Gen 5.0L Coyote V8. I bought it about a year ago with 92,500 miles on the clock. Currently sitting at 101,300. I've been active on the F-150 forum for a while now and have heard various things about timing component...