MBC and T7 do not get along!!! - Saab 9-5 Bulletin Board - Saabnet.com
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MBC and T7 do not get along!!!
Posted by Dean [Email] (more from Dean) on Thu, 30 Mar 2006 21:30:40
In Reply to: Manual Boost Control, realdeal176, Thu, 30 Mar 2006 15:43:23
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You will get a CEL and the system will go into limp home mode, with low boost, until you next shutdown and restart. You can remove the MBC, but the CEL codes will be there for the dealer to read, even if they don't show on the panel anymore.
You can install a SMBC and adjust it properly and not get a CEL. It will provide the same increase in speed to boost. You can dial in a modest amount of peak boost increase.
The T7 sees boost going higher than it wants and interprets that as a fault.
I hope that your BPC was not removed and that is it still connected electrically. You should install things yourself if you want to reverse.
Best to ask about these things like this first.
Email me with details on the MBC, it can probably be converted into a SMBC.
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