Found Boost leak

[Riceless92TSI]

I found a boost leak it was leaking from idle screw on the throttle body ,how can i fix it from leaking from the screw.

 

[RadDsm]

Buy a new o-ring for it.
EXTREME PSI : Your #1 Source for In Stock Performance Parts

 

[LiquidX]

Make sure you properly set you idle afterwards by grounding out the diagnostic pin. Vfaq should have a write up on it. What other leaks do you have? You did use soapy water and at least 20psi on your test correct?

 

[Boostinsideways]

If a new o-ring doesnt fix it, I suggest figguring out what yours needs to be set, marking with a fine tip permanent marker, letting that dry. Then pulling it back out and applying some thread sealer, or silicone forma gasget to it. You don't need much at all.

 

[Medrivfast]

I had to replace mine. Screw and O-Ring from dealership was about $10

 

[Medrivfast]

Any luck?

 

[Riceless92TSI]

Yea replaced the oring and the leak went away but my boost gauge vacuum is at -12 to -14 and my car is running very lean and cant find another boost leak. I have a 2g maf and 560cc injectors so i thought it would run rich. I dont know if i have another boost leak or have a bad cam sensor or something else.

Any luck?

yea i put 25 psi in the motor but cant find any other leaks but im still running lean and cant find out why and im running a 2g maf and 560cc injectors

Make sure you properly set you idle afterwards by grounding out the diagnostic pin. Vfaq should have a write up on it. What other leaks do you have? You did use soapy water and at least 20psi on your test correct?

 

[panamarojo]

I would this you would need more vacuum than that. You might have a vacuum leak.