Re: Boost Issues - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: Boost Issues
Posted by Dean [Email] (more from Dean) on Mon, 17 Apr 2006 11:57:34
In Reply to: Boost Issues, Chris, Mon, 17 Apr 2006 10:00:34
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Could be a minor issue...
The BPC valve can be cleaned, spray with WD-40 then blow out with shop air every which way.
You can test to see if the system is able to make/hold boost by removing the hose to the wastegate actuator (WGA). Then in a calm or zero traffic area, with a very gentle throttle, see what boost you can make. Then reconnect WGA. If you cannot make boost, there might be a turbo hose blown off or damaged. A bad MPV can also reduce boost, also check the VAC line to the BPV for aging/damage. If no boost, check all turbo ducts & clamps all the way up to the TB.
This has nothing to do with the Techron.
Does not hurt to pull and eval the plugs to see what they can tell you.
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