2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

HELP !!! Boost problem

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Old Jul 22, 2006 | 12:30 PM
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HELP !!! Boost problem

I was at the track the other night and i my 4th run I was about half track and i heard sound of pressure escaping and a loss of power!! WTF !!! I was still able to drive the car, but it will not boost at all... It drives fine in vacume but once i try to push it into boost it wont... it sputters and wont. I checked my intercooer and pipes and connections... were else could the leak becomming from?? HELP !!!!
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Old Jul 22, 2006 | 12:59 PM
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vac hoses perhaps....how carefully did you check the I/C hoses? make damn sure they're good because your problem IS a boost leak, no question.

Also check the elbow that bolts to the throttle body, I've seen them leak at the o-ring in there before.
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Old Jul 22, 2006 | 05:15 PM
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Well, i went around the car and sprayed some starting fluid on the intercooler, connector and vacume lines and the idle never changed!! I'm not finding a leak.
What other ways are there to check for vacume leaks???? need some help!!
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Old Jul 22, 2006 | 08:25 PM
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He said BOOST leak not vaccuum. Check the places he told you to make sure they are tight.
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Old Jul 22, 2006 | 08:30 PM
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Originally Posted by Sideways7
He said BOOST leak not vaccuum. Check the places he told you to make sure they are tight.
All of those places are under vacuum at idle.
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Old Jul 22, 2006 | 08:45 PM
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I'm going to get a cap for the turbo inlet and pressurize it to 10 psi. I hope i can find the leak that way!!
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