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930cab89 930cab89 is offline
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Join Date: Dec 2008
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How to test the boost pressure switch?

I suspect that the boost pressure switch of my 930 doesn't work. When I had troubles with my wastegate (shot membrane), the pressure went up all the way to 1.4 bars and nothing happened. Normally, the switch should have cut the injection at 1.2 bars. Before buying a new switch, I would like to be sure it's the switch itself that is at fault and not something else. Is there a way to test it?
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Guards red 1989 930 convertible, Rarlyl8 Dual Outlet Street Muffler, K27S turbo.
Old 03-09-2015, 08:08 AM
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