Suzuki Carry Painelita Motor 1300 16 Válvulas G33BB Motor Series

I have a problem with a panel for Suzuki cast, I bought it in poor condition the engine was repaired and many motor pieces were changed, it was armed and now that it was installed I have the problem that 2 injectors do not have a pulse and 2 if they have, if I have a spark and I have gasoline, I already exchange injectors and they are in good condition, already verify continuity of injectors to computer to computer and it is well Do they suggest mechanical friend?