Most of us know that if you lean out your mixture using a SAFC it will advance timing, which is the opposite of what compliments boost. So say you caliberate your sfmu to run lean and then enrichen the mix using the SAFC will this effectively retard timing over what it would normally run?
Joel Baldridge, ASE Certified Master Technician, Audi Certified Expert Technician
#1502, "RE: Using the SAFC as a Ignition Controller" In response to Reply # 0
No, you'll just take the MAP sensor out of range. it only reads 1 bar (of vacuum), so trying to INCREASE the voltage sent to the ecu will do, other than cause fuel cut, nothing.
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