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tps sensor leaking air??? has any one ever heard of this??

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GstRacer

20+ Year Contributor
409
3
May 6, 2003
BooneDocks, Connecticut
ok i have a bbk 62 mm throttle body and today i was not getting anything more then 7 psi. i run 19 on high so i thought it was my stepper motor on the profec but in case i just did a leak test and found a leak on my bov and my tps sensor i took a pic of a hole onthe bbk so you guys tell me what you think?? the air was just coming straight out of that hole. would this be the reson it's only running 7 psi?? or could there be more reasons? thanks
 

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You probably need a new shaft seal, atleast that is how a stock throttle body starts leaking there.
 
I had the same thing 6 months ago. I ran my fingers around the area during a boost leak test and my leak was out of the same hole. I replaced the TB shaft seals which fixed it. :thumb:
 
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