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Lambda sensor replacement...

Discussion in 'A4/S4 forum(B5 Chassis)' started by Geeman, Feb 8, 2010.

  1. Geeman
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    Geeman Low Life

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    [Feb 8, 2010]
    Is it really only a Dealer-only part, or can they be sourced reliably from elsewhere?

    Symptoms - running rich, down on MPG, high Co2 readings, poor idle, etc.

    Having no luck with changing the N80 valve, so moving on to other things to rule them out now.
    #1
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  3. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Feb 8, 2010]
    #2
  4. B5NUT
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    B5NUT Well-Known Member VCDS Map User

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    [Feb 8, 2010]
    I just changed one on my 1.8T got the part from eurocarparts cost about £70 but was Bosch sensor. checked with vag-com after fitting and the fault I originally had with the last sensor was cleared and the new one is working fine with no faults.
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  5. Geeman
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    Geeman Low Life

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    Well, I'm guessing it'll be about £65 then.

    I've not got a fault reading for it, but the symptoms I have lean towards that failing. Will check the wiring first before I jump into it though.

    Cheers guys.
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  6. Lee Goodall
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    Lee Goodall ..got my head together!

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    [Feb 8, 2010]
    I have a spare NGK 0ZA47-E25 sensor if that's any use?.. only fitted for a week or so.
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  7. Geeman
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    Geeman Low Life

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    Yeah, that would be brill. Will it fit okay onto my APU facelift motor?

    Part no. for mine is NGK 0ZA47-E35 - will there be a problem at all do you think?

    How much do you want for it?
    Last edited: Feb 8, 2010
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  8. Lee Goodall
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    Lee Goodall ..got my head together!

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    [Feb 8, 2010]
    Just checked but it appears that yours uses a different sensor! Sorry mate.
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  9. Geeman
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    Geeman Low Life

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    [Feb 8, 2010]
    Arse.
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  10. Lee Goodall
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    Lee Goodall ..got my head together!

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  11. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Feb 8, 2010]
    it'll fit, just a different wire length no?
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  12. Lee Goodall
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    Lee Goodall ..got my head together!

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    [Feb 8, 2010]
    I tried two of the newer versions for my 96 and it kept throwing up a code so there must be another difference somewhere?
    #11
  13. S4twiggy
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    S4twiggy Fully Certified Detailer!!

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    [Feb 8, 2010]
    dealer ones cost around £100-120 had mine done last year an that one was a bosch.
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