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Will a boost gauge tell me if I have a torn TBB?

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Old 02-10-2003, 01:27 PM
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Will a boost gauge tell me if I have a torn TBB?
Old 02-10-2003, 02:24 PM
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you may be able to infer such a conclusion with a boost gauge.
Old 02-10-2003, 02:25 PM
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Mine tore and my boost gauge would tell me that I would spike to 15 lbs and then go straight into limp mode which limits boost to 5 lbs. So a bad tear that causes limp mode is easy to diagnose. For a small tear I would try pressurizing the intake tract and then use the boost gauge in the car to monitor the pressure versus time.
Old 02-10-2003, 02:56 PM
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Yes and no, it will tell you if you have a boost leak, but not where. Try AWE pressure tester
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