Subaru Outback Forums banner
  • Hey everyone! Enter your ride HERE to be a part of this month's Ride of the Month Challenge!

icarsoft

  1. Problems & DIY Maintenance
    I have a 2004 Outback Legacy wagon with two fault codes creating a check engine light. The codes are P0400 (EGR A Flow) and P0031 (HO2S Heater Control Circuit Low (BANK 1 Sensor1)). I've been told to not worry about them -- the first time I took it in they cleared the codes for me and they came...
Top