engine starts but dies in 2 seconds and no restart(EFI RELAY?)

What is your question?

on this 1992 toyota mr2 non turbo manufactuer date is 02/91 its a 2.2 someone put a 110 amp altenator on the car it burn the wire off at the battery burn up the distributor the coil the fuel pump and i have replaced all the above items and the car still starts for about 2 seconds then dies it starts off the fuel of the cold start injectors but nothing after that it dies i thought maybe a efi relay or ignition relay also replaced the vacum pump on rear of engine the selinod was click so replaced it any help on this matter would be very welcome thanks