madkaw Posted June 29, 2009 Share Posted June 29, 2009 Well I got my reman turbo on and took her for a test spin. I thought with all the things I found wrong with the the last turbo(loose connection at compressor side-WAY LOOSE), the car would feel stronger, but it doesn't. Then I noticed that my guage is not indicating any boost, or much of anything. I have no idea how this is measured-electrically, vaccum, pressure I would think, but how does the guage get its input. I looked all over my schematics and I can't even find it in the wiring. I look at the engine or intake and just scratch my head. Please help out a turbo newby so I can try to figure out what happen to my guage. Quote Link to comment Share on other sites More sharing options...
skib Posted June 29, 2009 Share Posted June 29, 2009 if its a manual boost gauge theres just a vac line going from the gauge to a vac source, mines tapped in the intake manifold. Quote Link to comment Share on other sites More sharing options...
hughdogz Posted July 4, 2009 Share Posted July 4, 2009 There's a little box in the engine bay (I think on the passenger side) that says boost sensor. It has a small pigtail for the wiring and taps into a vacuum line. It should read zero without the engine running and show full vacuum at idle. The stock unit isn't all that great anyway. You'd be better off with an aftermarket mechanical vac / boost gage like Skib mentioned. Quote Link to comment Share on other sites More sharing options...
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