Mitsubishi Lancer Evolution Forum banner
aem wideband
1-1 of 1 Results
  1. Evo X General
    I just installed a aem wideband gauge the other day and shortly after my CEL came on and I got the code P0137, heated oxygen sensor circuit low voltage (sensor 2). I'm not sure how I got this or what it exactly means. I have an AMS downpipe and HFC which I installed about a month ago and...
1-1 of 1 Results