#562, "RE: AFC blue wire mod and the actual O2 reading (long)" In response to In response to 4
>Personally I would not use either. >The blue wire mod has >been known to do some >freaky stuff (it's on there >for Nissan 300ZX sensors or >something like that). What some >of us were wondering was >if the AFC sends a >signal back through the "blue >wire" or even if it >modifies the signal...
Maybe that's why some people are getting check engine lights with the SAFC. It could be messing with the O2 volts and the computer can't figure out what's going on.