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Intermittent Oxygen Sensor

Discussion in 'A3/S3 Forum (8L Chassis)' started by guinness, Mar 17, 2011.

  1. guinness
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    guinness New Member

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    [Mar 17, 2011]
    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!


    #1
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  3. finesse
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    finesse Active Member VCDS Map User

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    [Mar 17, 2011]
    before the cat, look behind the charge pipe

    [​IMG]
    #2
  4. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Mar 17, 2011]
    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/>
    #3
  5. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Mar 17, 2011]
    Euro Car Parts sell them for £82 as I have been looking at them.
    #4
  6. Nilz
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    Nilz Defo worth the wait :)

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    [Mar 17, 2011]
    I have just recently had a Bosch one from ECP, was about £80 as above.
    #5

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