D Dimentio Member : 2002 Protege5 Jul 17, 2016 #1 So i picked up a bosch wideband o2 sensor from ebay for 60 bucks, and i already have one of those cheapo afr gauges from ebay too. Does anyone know which 4 of the 5 wires goes to the factory o2 plug harness and which wire goes to the afr gauge?
So i picked up a bosch wideband o2 sensor from ebay for 60 bucks, and i already have one of those cheapo afr gauges from ebay too. Does anyone know which 4 of the 5 wires goes to the factory o2 plug harness and which wire goes to the afr gauge?
