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Thread: 1.8T ( 20 V. ) Fault codes but no MIL light... ?

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  1. #1
    Verified VCDS User 2stroke's Avatar
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    Question 1.8T ( 20 V. ) Fault codes but no MIL light... ?

    Hi !
    During the last two weeks, the family has been on a car holiday in Europe.
    We have driven about 8000 Km and before departure I checked error codes, but there were none.
    Now I checked error codes again and now there are these:
    Can someone explain in understandable terms what the problem is ?
    No MIL.

    Car: Audi A4 1.8T Avant Quattro ( "B6/B7" )
    Engine code: BFB


  2. #2
    VCDS Distributor Boki Ar's Avatar
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    Arrow

    All fault codes are intermittent. Haven't influence on drive-ability. You can clear faults, if You wish.

  3. #3
    Benevolent Dictator Uwe's Avatar
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    No MIL because problems are "Intermittent". This means the problem was detected during one at least one drive cycle, but not the current one.

    How many miles are on this car?

    See:
    http://wiki.ross-tech.com/wiki/index...3/P0299/000665

    And maybe you have the front lambda sensor going bad.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    Verified VCDS User 2stroke's Avatar
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    Quote Originally Posted by Uwe View Post
    No MIL because problems are "Intermittent".
    This means the problem was detected during one at least one drive cycle, but not the current one.

    Maybe you have the front lambda sensor going bad.

    How many miles are on this car ?
    ~207000 Km ---> ~128600 Miles.

  5. #5
    NostraJackAss Jack@European_Parts's Avatar
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    OP In addition to the fine gentlemen's aforementioned comments.........


    Yeah I'm thinking weak WG spring on that turbo is pretty common on this too, no?

    Ditto on the OXS sensor too, is indeed a dog pile in the yard on the heaters for some type of sporadic connectivity, no?

    I would check FP output volume and FPR because it was indeed a problem on these cars too, no?

    You may find use of this thread.......

    https://forums.ross-tech.com/showthr...umble-Mechanic
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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    Verified VCDS User 2stroke's Avatar
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    Quote Originally Posted by Jack@European_Parts View Post
    Yeah I'm thinking weak WG spring on that turbo is pretty common on this too, no ?

    Ditto on the OXS sensor too, is indeed a dog pile in the yard on the heaters for some type of sporadic connectivity, no ?

    I would check FP output volume and FPR because it was indeed a problem on these cars too, no ?
    I have no idea if the "BFB" engine usually have weak WG spring.

    The FPR is built into the fuel filter.
    ( Fuel filter is just year old. )

    Since we travelled across Germany I had the opportunity to run flat out for long periods.
    In Germany I filled her up with the best possible fuel that money can buy over here in Europe 102 RON Octane
    ...but I think the car has very poor top speed: 205 Km/h ---> 127,4 mph
    Tire: 235/40 x 18"

    This is my Turbo:
    Last edited by 2stroke; 08-21-2019 at 06:14 PM.

  7. #7
    NostraJackAss Jack@European_Parts's Avatar
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    This is my Turbo:

    VAG sometimes it well........
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

  8. #8
    Verified VCDS User 2stroke's Avatar
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    Quote Originally Posted by Jack@European_Parts View Post
    VAG sometimes it well........
    ??? ???

  9. #9
    NostraJackAss Jack@European_Parts's Avatar
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    Did you read the links?
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

  10. #10
    Verified VCDS User 2stroke's Avatar
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    Question

    Quote Originally Posted by Jack@European_Parts View Post
    Quote Originally Posted by Jack@European_Parts View Post
    Did you read the links ?
    Yes, but I'm unsure what to do exactly.
    Feel free to explain in a bit more understandable way.

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