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Registered
Join Date: Aug 2015
Location: Cologne / Germany
Posts: 707
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He should get one, as these are quite affordable, or have a service garage perform the pressure checks. I think that’s a must, at least if it has never been done on that car.
If it’s running significantly too lean, as it might be in the video, it will still run rough, even at higher idle RPM.
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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/
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