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boost control value

  1. 2003 Saab 9-3 arc boost pressure?not holding boost?

    9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    Hi my names Giovanni, I own a 2003 Saab 9-3 arc. I recently installed a boost gauge and was wondering if anyone knows how much boost it should be pushing in each gear since it has boost by gear (6 speed.) I heard you don’t get full boost in first and second but I’ve seen It touch up to 15 psi, I...
  2. BPC valve hose cracked? Boost control valve?

    9-5 Workshop
    Top hose going to the boost control valve on my 2.3t 99 seems to be split ? and oil is leaking out of it? what does this mean is happening to my saab ha... also noticed that the vacuum line to the control valve for the bypass had broken off with crudded oil coming out of it. it was still...
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