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stock twinturbo problems no second turbo kick

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Old 05-27-02, 06:11 AM
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stock twinturbo problems no second turbo kick

and yes i have searched!!! anyways me and my friend nick spend a majority of tonight trying to fix why his car wasnt getting boost past 5k rpms.... its like it hits 10 at 3500ish then it drop to 8 then it just dies off after that?!?! what the heck what is wrong with this? i check all vaccum lines and replaced a few vaccum lines on the acutator on the y-charge pipe... any ideaS?!? i checked all vaccum lines and they looked good!
Old 05-27-02, 07:18 AM
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since it is a problem with the secondary there is a problem with the turbo control system. Could be under the UIM, could be a check valve. I consider this site standard reading, don't know if you've been there or not: http://home.istar.ca/~dvandit/turbocharger.htm
Old 05-27-02, 11:17 AM
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could be the turbo control actuator...Id bet on that...check the boost...see if its holding boost....then check that actuator.
Old 05-27-02, 12:30 PM
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alright cool we hooked up a boost guage agian same thing ..... 10psi at 3k... 8 at 4 then boom dead no more boost thanks for the help guys ill be checking everything tomarrow!
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