Is the pump running? It's energised by the flap in the MAF opening.
I have some pdf files about testing the EFI system but I get an error when i try to upload them.
Check for voltage at the ECU mulitplug pin 20 when the flap is open. Should be 11.0 to 12.5V.
This then energises the fuel pump relay which IIRC is under the drivers seat.
Good luck
Pete