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I stand by my comments.
The red guy in your picture is an AAV according to my Porsche factory shop manual. As I said before the names are transposed on many schematics. They are all Auxillary Air "Devices". Physically the two devices are very different so it is not so hard to describe them and make someone understand which part you are refering to.
Your decel valve may not have been functioning and was plugged by the PO. The result of a decel valve failure is that air permanently bipasses the throttle, and you guessed it, causes a high idle. (Although probably not 3,000,000 RPM) Ha!
No storm here in Northern AL. We now have displaced hurricane victims though.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
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