Isuzu Trooper Diesel - engine manual?
 

Yes, the one with the fancy oil pressurised electronic injection.

I need a workshop manual, or maybe a link to some info on how the fueling systems works.

I happen to have one of these engines where it looks like some feejit has gone overboard with the silicone sealent and I suspect it has clogged up the oil pumps that control the fuel injectors :rolleyes:

And I'm fully aware of the recall with the injectors - they've already been replaced to no avail. :(

All local engine specialists (including Isuzu main dealers) run a mile when I mention this engine, barring one Isuzu specialist (which ain't cheap). Surely these engines can't be that complicated??