Need help fuel issue
 

So I haven't made an account on zilvia till now due to the reason that I usually found all my answers, but I haven't found an answer to this. So one day I noticed one of my injectors was loose so i tightened it. When I started the engine the whole thing bogged and stuttered. I bought a new injector thinking that one was clogged or something and I put it in and the same thing is happening. The engine is a stock KA24DE. Someone please help.

take the fuel rail off and turn the key on one is most likely leeking if it is you will be able to see very easily

To elaborate, run the fuel system with the rail un-installed, so fuel is pressurized and circulating through the rail and all the hoses, as if the car were running. This way, any leak may be detected, it will smell like fuel.

Thanks guys there was a leak and it has been fixed