Vacuum leak turbo gauge - what is this? - Saab 900 Bulletin Board - Saabnet.com
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Vacuum leak turbo gauge - what is this?
Posted by Jeff S (more from Jeff S) on Thu, 14 Oct 2004 17:25:37
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New to the forum, just picked up an unmolested 88 SPG. A non functional turbo boost gauge was tracked to some thingy that the vacuum hose from the gauge plugs into, under the left side of the dash. It's round and has two vacuum hose fittings on one side (one for the gauge, the other connecting to the vacuum coming from the engine compartment). On the other side are three wire terminals connected to brown wires. The vacuum leak is through this wired side, like a seal inside is broken. Anyone know what this thing is or does? If I bypass it, the car runs fine and the gauge works. If I unplug the wire connections, the car seems to want to die. Help please.
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