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Intermittent Oxygen Sensor

guinness Mar 17, 2011

  1. guinness

    guinness New Member

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    Hi Guys,

    I had this fault come up a couple of weeks ago on my S3 (AMK engine).

    17511 - Oxygen (Lambda) Sensor Heating: B1 S1: Performance too Low

    P1103 - 35-10 - - - Intermittent

    Cleared the code, it came up again a couple of days later, cleared it again and after running through 2 tanks of gas, it's stayed off. I haven't noticed my fuel consumption getting worse - besides replacing the oxygen sensor as preventive maintenance, is there somewhere else that I should be looking at? What else could have caused that fault to come up? I've checked the connections and plugged them in and out - all seems good. Tks!


     
  2. finesse

    finesse Active Member

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    before the cat, look behind the charge pipe

    [​IMG]
     
  3. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    If the wiring is ok then it sounds as though the sensor is at fault... just be sure to get a Bosch one rather than some cheap knock off... GSF sell them (IIRC) for around the £80 mark...

    <tuffty/>
     
  4. Westy

    Westy Well-Known Member

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    Euro Car Parts sell them for £82 as I have been looking at them.
     
  5. Nilz

    Nilz Defo worth the wait :) Team Ibis TFSI Owners Group quattro Audi A4 S-line owners group saloon Manual

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    I have just recently had a Bosch one from ECP, was about £80 as above.
     

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