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Hissing vacuum sound and related codes... 850

posted by  someone claiming to be dpsc on  Wed Mar 31 06:01 CST 2004 [RELATED]

I'm dealing with a 3-1-5, 5-3-5 and a 2-3-2.....

I heard a hissing noise when the drivers door was open and knew it was a vacuum line/leak or similiar. I checked the three lines (blue, yellow and green) that go from the turbo housing to the air box. All plug into a relay or the turbo control valve at the bottom of the air box. My mechanic says that he's never seen one of these relays fail.

I see no cracks or breaks, but they are original, so maybe it's really not detectable to the human eye.

Has anyone out there had this problem?

dpsc
'95 850T Wagon
134,000 miles
all original






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