Seeking some recommendations. My son’s 2017 Silverado 5.3 is showing close signs to a clogged fuel filter but we found out 2017’s and newer do not have a filter. Typical symptoms though, runs fine at idle and in park and when not under heavier load. When accelerating and load is applied it starts shutting down and running rough. Could be fuel pump or pump relay in the fuse panel? Thoughts?
