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Emission Emission is offline
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Join Date: May 2002
Location: Newbury Park, CA
Posts: 4,208
Question re "Overboost Switch"

My engine has been cutting out on hard right turns... and then it runs normally when I straighten the car out again.

I think I may have found the problem. After poking around with a flashlight last night, I noticed the "overboost switch" wire had vibrated loose. The wire has a rubber housing, so it was kept in loose contact with the switch. I assume right turns pulled on the wire and it broke contact... and when I went straight contact was again made.

My questions:

Will the engine die if the overboost switch is disconnected?
What does the overboost switch kill (fuel or ignition)?
2012 - Porsche Boxster Spyder 6MT / 2018 - Porsche 911 Carrera 7MT / 2018 - Porsche Macan 7DCT / 2018 - Volkswagen GTI 6MT
Old 03-19-2008, 07:33 AM
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