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does the EX have two(2) o2 sensors??
the DIY section on ECU in the electcical section has pins for second o2 sensor marked EX ONLY.
is this right?

i have a LX, and i just hooked up my o2 simulator.
it seems to be working fine, blinking light; no engine lights on.
i want to make sure i hooked it up to the right place, and not to the first o2 sensor.
in the DIY for the o2 simulator, (WannaBFast sells this, and the DIY i followed is his) i hooked up the same wires, except that he (WannaBFast) has an EX, but according to the ECU diagram, the wire he hooked up the signal, was to the 2nd o2 sensor. so i don't know.

any ideas?
any LX owner done a o2 simulator through the ECU, and not under the hood?

thanks
~the king