Thread: Hfs-4 wiring for Audi B8 s4 3.0 (2009-2013)?
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Old 01-01-2014, 12:09 AM
Richard L Richard L is offline
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Default Re: Hfs-4 wiring for Audi B8 s4 3.0 (2009-2013)?
This is an earlier one, v1.

You need to link "3" for a 2.5 bar map sensor.
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