help needed!! car wont start! experts plz read!

[Tommyd]

right here we go.... mk4 golf gti AGU engine. just had a new engine and turbo fitted and 100% worked in the donor car. now the car wont start. taking out the injectors the car starts, but with them in it wont. the injector rail is fine. we replaced the ecu cus we thought maybe the timings were out but it didnt make a difference. recently had a brand new fuel pump so its not that. any other ideas? plz help!!!!

[jonnyturbo]

Fuel pressure regulator 

[Tommyd]

i think thats bin done also  the garage are currently stripping back the wiring lume i think  they are stumped aswell

[Wayne]

Is it dumping loads of fuel and flooding then. 

[Tommyd]

Yh seems to be over feulling or feulling at the wrong time 

[Toby]

Does it tick ovr? Ignition amplifier?

[Tommyd]

Yh ticks ova. As I said it will start without the injectors 

[gti genty]

it could be the fuel injector relay mate, it might be faulty therefore it might not be opening the injector pintle at the right time therefore flooding the engine .....

[Tommyd]

Thanks will tell the garage in the morning. Any more ideas? Do people agree with the injector relay?

[Wayne]

Or the ecu has blown.