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scmguru scmguru is offline
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Join Date: Feb 2009
Posts: 107
Did some more digging and determined I didn't have 12V+ to Pin 30 of the Relay, I jumpered 12V+ into it and BAM! the Frequency Valve fires right up. (sounds almost like an electric razor)

I can honestly say, I've never heard it before and I've been in the engine compartment for the last couple of months trying to figure out why I couldn't get a handle on proper rich/lean tuning.

The car has been to 2 separate Porsche specialists and neither one of them checked to see if the lambda computer/FValve was even running.

Will get everything buttoned back up tomorrow and report back.

Thanks for all of your help!

Mike
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1986 930 Turbo (Stock) 39k
Huntington Beach, CA
Old 06-09-2009, 12:05 AM
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