I'm getting diesel through the fuel rail and up to the injectors.Still keeping it simple and trying to isolate the issue - and it ‘trying’ to start on a spray of cold start… is the fuel actually getting through to the rail and on to the injectors?
You say the car has sat for over a year, is the fuel even any good? There could be all sorts of cr@p blocking something somewhere. That would be my next hunting ground, after the sensors.
Have you run any diag on it?
Not done a full diagnostics as of yet.