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2nd turbo no boost?

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Old 08-14-06, 09:03 AM
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2nd turbo no boost?

hi ive been having boost problems n i noticed the vac line forn charge releif valve was perished n crushed so i replaced it n thought all was fine cos it did get a boost patern of 10-7-10psi no it boosts to 10psi when WOT and slowly goes down, n 2nd turbo doesnt kick?

any ideas?
Old 08-14-06, 12:55 PM
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I've got the same problem with my 2nd turbo losing boost at the transition. The shop I'm having fix the problem said something about a valve that allows the exhaust gases that bypass the primary turbo might be the culprit. Just something to maybe look into. Hope it might help in some way.
Old 08-14-06, 05:07 PM
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cool thanks ill have a look
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