Won't boost past 15psi? on 14b?

[Killa_dsm]

Well I just installed my vr4 fuel pump and everything worked out, until I tried turning up the boost a bit. I'm on a 14b and use a blitz EBC, so my first idea was maybe the boost controller is messed up. So I disconnect it from the actuator to see if the boost will go any higher. Well it didn't, it stayed at 15psi. And now I really dint know what the problem is... I'm thinking its the actuator but what do you guys think? Any ideas or suggestions?

Thanks

 

[ddavisaf]

Shaft play could be causing the turbine to hit the housing, stopping it from building boost past 15 psi.
Or you could have an exhaust leak before the turbo.

 

[Killa_dsm]

Shaft play could be causing the turbine to hit the housing, stopping it from building boost past 15 psi.
Or you could have an exhaust leak before the turbo.

Well I just took the intake pipe off and checked for shaft play, there was no more then usual so I think I'm alright there. About the exhaust leak would it necceserily stop the turbo from boosting 15psi? I havent checked for a exhaust leak yet but I will.

 

[ddavisaf]

Yeah, it could limit the amount of boost. Also, your flapper could not be sealing all the way and releasing enough pressure to hold you at 15.

 

[Killa_dsm]

Yeah, it could limit the amount of boost. Also, your flapper could not be sealing all the way and releasing enough pressure to hold you at 15.

Well I checked for an exhaust leak and couldn't find one. I'm pretty sure the flapper is sealed all the way since I replaced it not to long ago. Could it be that the turbo is dying on me? Or could it anyway be my injectors, or fuel pump not working properly?

When I go wot the car seems to pull really hard, but it just doesn't seem to go past 15psi. So I really don't know whats going on... I have tried running the car without the actuator connected to a boost source but it still stops at 15psi. Could it be the actuator spring?

If Im running really rich could this also effect my problem?