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Discussion Starter · #1 ·
Alot of people use the blue wire for monitoring O2 voltages, since it is unused in our setup (blue wire corresponds to Air Flow Signal Input 2 (ie, a dual MAF setup))

However, has anyone ever tried to use the S-AFC to monitor, say, engine knock? What type of output does the built in knock sensor have? Ie. frequency, voltage, etc? Would it be possible to use the orange wire (originally intended for a Karmen sensor) to monitor knock? Does anyone know what the S-AFC would do if it saw a signal on this wire, even tho the unit was not set to use the Karman, would it be possible to use it for monitoring only?

Anyone have any ideas?
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