Re: Will Oxygen Sensor affect boost? - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: Will Oxygen Sensor affect boost?
Posted by Dean [Email] (more from Dean) on Fri, 9 Dec 2005 15:50:46
In Reply to: Will Oxygen Sensor affect boost?, MB
[Profile/Gallery]
, Fri, 9 Dec 2005 14:33:58
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Depends on what fuel you are using.
Check your plugs for deposits and gaps.
Injectors clean?
The O2 sensors and adaption usually work as required until you get a CEL. If fuel pressure is getting lower, adaption will make up for that, but after a certain shift in adaption you get a CEL for that.
A bad VAC line to the FPR can make mixture rich on idle and off boost, and lean on boost. A bad VAC line to the BPV can cause a boost leak. A damaged BPV will also create a boost leak. A leak in a BPC or WGA hose will create high boost levels (and a CEL in a T7).
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