Thread: Hfs-4 wiring for Audi B8 s4 3.0 (2009-2013)?
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Old 31-12-2013, 12:07 AM
Richard L Richard L is offline
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Default Re: Hfs-4 wiring for Audi B8 s4 3.0 (2009-2013)?
I was wondering if we inject some voltage to the valve, can we fool the ECU to perform a partially opened state.
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