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AndrewCologne AndrewCologne is online now
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Join Date: Aug 2015
Location: Cologne / Germany
Posts: 707
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For the three-wire sensor, you should use power from the fuse box — the circuit that’s live when the key is on.
You don’t need a Porsche branded sensor; just use the one directly from Bosch: 0 258 986 502.

If you lived in Europe, I would have sent you a Digi-ECU to test — but with the current tariffs, and especially the extremely high shipping costs from Germany to the U.S. right now, that’s just not really feasible.
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911 SC 3.0, 1982, black, US model – with own digital CPU based lambda ECU build and digital MAP based ignition control

All you need to know about the 930/16 and 930/07 Lamba based 911 SC US models:
https://nineelevenheaven.wordpress.com/english/

Last edited by AndrewCologne; 11-03-2025 at 02:28 PM..
Old 11-03-2025, 02:24 PM
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