Repair-It

Started it to move it in the garage yesterday. Started up fine on first crank. Hopefully the new check valve stays 100% on cold starts.

I let it sit from Thursday to Tuesday night and started right up, so I guess this one is finally crossed off / fixed?

It's good you didn't throw injectors at it. I'm sure it would have made some incremental improvement but clearly wasn't the major issue.

It was worth the $30-40 I spent on a new fuel pressure gauge, quick connects, and valves to somewhat definitively diagnose. Or at least isolate.