Mar 25, 2021 #1 S Sprint37 New Member Joined Mar 25, 2021 Messages 1 Location Fy83UB Car C Class Hi Can anyone tell me which wire is which on the front O2 sensor. I have 6 wires going to the ECU and am not sure which does what. Thanks Gary
Hi Can anyone tell me which wire is which on the front O2 sensor. I have 6 wires going to the ECU and am not sure which does what. Thanks Gary
