Alfa Romeo Forum banner

examiner…o2

  1. Help with Scan Tool or Examiner…O2 sensors!

    Alfa 147, 156 & GT
    Hi ppl. As I’ve explain in the other day, I have a MIL error after I’ve removed all my kats and installed a full exhaust system… Cause the last O2 sensor (lambda probe) detects if kat is on o off depending on the voltage that is transmitted…with no kats the voltage of last O2 sensor is almost...
Top