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Error Codes and general advice

Discussion in 'A3/S3 Forum (8L Chassis)' started by Steve Welch, Jul 24, 2013.

  1. Steve Welch
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    Steve Welch New Member

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    [Jul 24, 2013]
    Ok so my A3 that i bought on a limb has 4 error codes. It is a 1.6 1998. I looked in the section for help but it was not coming up.

    So the codes are

    00537 Oxygen Sensor Control
    00557 (no code found in the manual)
    00525 02 Sensor - Voltage Low - G39
    00668 Battery Power Voltage Supply (terminal 3)

    So does this mean i must replace the Lambda Sensor (i am guessing there is only one in the front downpipe)

    It is idling a bit rough and is stalling VERY easily.

    Any help or advice or help would be greatly appreciated. Remember i am a relative noob so idiot speak would be preferred! :salute:
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  3. dusty
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    dusty Member

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    [Jul 24, 2013]
    If you type the code into google one of the first results is for Ross techs site were you will find the info your looking for
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  4. Steve Welch
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    Steve Welch New Member

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    [Jul 24, 2013]
    I have studied all of them further and i think my two first port of calls are:

    1: New battery
    2: Pre cat lambda sensor.

    Here are a few pics of more findings.

    After running/starting this appears on the ground from the exhaust

    [​IMG]

    There is this sludge in the top of the coolant that doesn't smell of anything.

    [​IMG]

    This is one of her bad starts:

    [​IMG]
    #3
  5. jbh
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    jbh TDi lover

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    [Jul 25, 2013]
    have a read on this. 1.6 AEH Engine - Idling Problem - Page 2
    where in fife are you?
    what miles is on your car? have you checked for vac leaks or any air leaks?
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  6. Steve Welch
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    Steve Welch New Member

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    [Jul 26, 2013]
    Hey buddy, i did check for leaks and it all seems good as i had a leak in my mazda before and it turned out to be a split in the air intake.

    I had a read of that and i think it is all coming together. Very soon i will have her on the road. I am in Cowdenbeath but i was brought up in Glenrothes.
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  7. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Jul 26, 2013]
    00557 - Ross-Tech Wiki

    00557 - Pressure Switch; Power Steering (F88)
    00557 - Pressure Switch; Power Steering (F88): Short to Ground
    Possible Symptoms

    Engine shuts off while steering

    Possible Causes

    Fuse(s) faulty
    Wiring and/or Connector(s) from/to Power Steering Pressure Switch (F88) faulty
    Power Steering Pressure Switch (F88) faulty

    Possible Solutions

    Check Fuse(s)
    Check Wiring and/or Connector(s) from/to Power Steering Pressure Switch (F88)
    Check/Replace Power Steering Pressure Switch (F88)


    Codes resource available here..
    Category:Fault Codes - Ross-Tech Wiki


    Also worth a read
    http://www.audi-sport.net/vb/a3-s3-...-help-please-read-before-posting-updated.html

    <tuffty/>
    #6

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