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manual boost controller not working?

Old 03-17-2009, 06:06 PM
Thread Starter
Join Date: Sep 2007
Posts: 88
Default manual boost controller not working?

alright...ive installed my MBC and ran a vaccum line to the intake manifold and into the wastegate. The car idles it always has and when i hit about 4000 when i would normally just bogs down and dies. Ive checked for boost leaks, the turbo is brand new...

any ideas on whats wrong?
Old 03-18-2009, 06:13 AM
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Join Date: Jan 2006
Posts: 11,758

Your running the MBC to the intake manifold? Im assuming this was not a problem before you installed the MBC therefore you either have it hooked up wrong, or you forgot to put a vaccum line back on
Old 03-18-2009, 05:24 PM
dsm1990gsx's Avatar
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Join Date: Oct 2007
Location: Pottstown, Pa
Posts: 4,681

Can you post a pic how its hooked up?
Old 03-31-2009, 10:43 PM
Thread Starter
Join Date: Sep 2007
Posts: 88

Now my boost controller is hooked up and im getting boost but after i boost for a while the car will start sputtering again. I boosted today through all 5 gears...turned around and on the way back in 5th gear it started sputtering and i had to stop. Then i can stop for about 30 seconds and it will start running fine again.

It does this sometimes even when im not boosting or havent boosted at all. I drove it this morning and it ran fine and on the way home it bogged down and i stopped and drove the rest of the way. Any ideas
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