1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

oxygen sensor heater circuit

Discussion in 'A3/S3 Forum (8L Chassis)' started by aviel131, Dec 6, 2013.

  1. aviel131
    Offline

    aviel131 Member

    Joined:
    Nov 21, 2013
    Messages:
    101
    Likes Received:
    1
    [Dec 6, 2013]
    hello
    my ecu gives fault code: oxygen sensor heater circuit bank 1 sensor 1

    i replaced the sensor and the problem not solved
    what can fix this problem?
    #1
  2. Ads

    Ads

    [Dec 19, 2014]

  3. jay1601
    Offline

    jay1601 Well-Known Member

    Joined:
    Jun 25, 2010
    Messages:
    1,259
    Likes Received:
    34
    [Dec 6, 2013]
    did you replace the correct sensor, you may have 2 depending on engine.

    new or used part ?

    fitted correctly ?

    damage to wiring/block?
    #2
  4. aviel131
    Offline

    aviel131 Member

    Joined:
    Nov 21, 2013
    Messages:
    101
    Likes Received:
    1
    [Dec 7, 2013]
    hello
    its used o2 sensor
    i see damage to the wiring from the ecu near the o2 sensor
    they have cut and stripped together with glue.
    #3

Share This Page