Hello, I’m new to the forum. I have a 2008 Suburban with a misfire on cylinder 1 per the code, so I pulled the valve cover after testing spark plugs, wires, etc. The very first lifter is not moving like the rest but the rocker arm is not loose either. I tried turning the engine over and the arm is still not lose. I assume the lifter is stuck, but I’m confused on why the rocker arm is not loose like all of the videos I’ve watched. Should move forward with the stuck lifter trick or do something else first. I don’t have the money to pay a shop to fix it, so hoping I can figure it out. Any ideas?