Ok, So I have a 1992 900 S 16V N/A and it will not start becasue the engine is filling with gas, I replaced the fuel pressure regulator with one off a working car and the return line isn't clogged. But I still have the problem that when I crank the engine after a few seconds you can look at the exhaust y pipe and it's soaked in gas. I pulled the plugs and the cylinders are all full to the top with gas! What is going on? Anybody have this happen to them. The car broke down on the way to work one morning because of this. This has me completely baffled.