Starting Problem

My Range Rover Is Flooding So Bad That Fuel Is Coming Out Of The Exhaust Manifold And It Won't Start Unless I Remove Fuel Pump Relay Or Fuse To Stop Fuel Coming Through But When It Starts And I Put It Back It Won't Go Again And Petrol Starts Coming Out Of Exhaust Manifold Again Its A 3.5v8 Efi 1988 Any Ideas Anyone Please Help

sounds to me like the ecu under the drivers seat is goosed my 1989 done that to me a few years ago