[T2] A/F ratio measurement
david raistrick keen at icantclick.orgTue Aug 9 08:23:29 PDT 2016
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> I was thinking about this and realized that he has a catalytic converter on > his exhaust system. Is there a difference if we had measured upstream of the > Cat? Rather than downstream as we did? Do we have an accuracy problem > because of the cat? yes! you have to measure upstream of the cat. that means adding a second bung, or using the LM2's outputs to feed the factory o2 signal. (haven't tried it, but it's in the manual...) or just tune in open loop and leave the factory o2 sensor out. (probably not the best route in this case)
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