ECU, Wiring, Sensors
By fastfiveo2
#41694 Can some one tell or show me which wire on the P30 ecu is for the oxygen sensor. I'm wanting the sinal wire to hook up my air/fuel gauge.
By fastfiveo2
#41710 or which wire on a four wire system do i splice for my signal wire.
By fastfiveo2
#41829 ok, I'll rephrase the question. When you installed your air/fuel guage, which wire did you use for the signal wire.
User avatar
By LowTEC-Derbo
#41832 http://www.ff-squad.com/technet/wiring.obd1.htm


just a note: a narrowband o2 sensor on a stock motor will only read rich or lean. It basically will say rich or lean and nothing inbetween. the A/F guage is useles without a wideband :)