Hi guys. After some ideas. So finally got the engine running all be it badly. It sits there on a horrendous lumpy idle nearly stalling and then I'll rev itself and runs quite nicely but quickly goes back to nearly stalling. I've put a pressure gauge on the fuel rail and the pressure actually drops when it revs itself. So wondering if its trying to over fuel, which eventually causes the pressure to drop which reduces the fuel and so it then revs, and then the fuel pump recovers the pressure and i