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

  1. #31
    NostraJackAss Jack@European_Parts's Avatar
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    How can you see from the diagnostics above that the software has been changed ?
    What values, etc., are missing and/or incorrect ?
    (trying to learn here )

    If you took time to JPPSG you'd already know but you are taking shortcuts, now wouldn't you? ...........

    https://forums.ross-tech.com/showthr...l=1#post157971

    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
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  2. #32
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by PetrolDave View Post
    Since this is discussing the SAME CAR and the SAME FAULT as this thread https://forums.ross-tech.com/showthr...t-no-MIL-light shouldn't the posts from here be merged into that thread ?????
    Good point. Done!

    -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.

  3. Likes Jack@European_Parts liked this post
  4. #33
    Verified VCDS User 2stroke's Avatar
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    Question 1.8T

    1. I have erased the 3 error codes and been out driving today for about 80 Km without seen them coming back.

    2. Whether my car have modified software or not,
    I would like help with checking/setting/adjusting the wastegate arm/actuator in the proper way.
    Can somebody help ?

    3. Top speed on Autobahn with 102 RON Octane ( 96 AKI/PON Octane ) fuel was only ~205 Km/h on speedo.
    and I think it is way to low.
    My car have 235/40x18" wheels and Quattro.
    Is there anything I can start checking for what makes the car so tired/lacy ?
    Last edited by 2stroke; 08-26-2019 at 05:20 PM.

  5. #34
    NostraJackAss Jack@European_Parts's Avatar
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    This is the VCDS OBD section of the forum not mechanical repairs section, no?

    Actual Boost & requested Boost in addition to duty cycle of the N75 that controls the WG can be logged in 0x01-08-115 & to surmise the deviation being +/- , no?

    https://forums.ross-tech.com/showthr...ut-0x01-08-000

    You will not get any help here for instruction of mechanical's or modifications to a car that doesn't comport for a qualified repair, further these questions and setting up the WG should be queried in the RTFB at ERWIN, no, were you not already asked this?

    http://wiki.ross-tech.com/wiki/index...ir_Information

    Thank you

    Did it not already get recommended you remove FOD & to get a valid stack of diagnostics?


    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    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 )
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  6. #35
    Verified VCDS User 2stroke's Avatar
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    Question

    Quote Originally Posted by Jack@European_Parts View Post
    This is the VCDS OBD section of the forum not mechanical repairs section, no ?

    Actual Boost & requested Boost in addition to duty cycle of the N75 that controls the WG can be logged in 0x01-08-115 & to surmise the deviation being +/- , no ?

    https://forums.ross-tech.com/showthr...ut-0x01-08-000

    You will not get any help here for instruction of mechanical's or modifications to a car that doesn't comport for a qualified repair,
    further these questions and setting up the WG should be queried in the RTFB at ERWIN, no, were you not already asked this ?

    http://wiki.ross-tech.com/wiki/index...ir_Information

    Thank you

    Did it not already get recommended you remove FOD & to get a valid stack of diagnostics?


    Excuse my ignorance.
    English is not my spoken or written language,
    so I can have a little difficulty expressing myself and/or understanding your answers.
    Have patience with me, THANK YOU
    Try to explain to me in a simple and easy-to-understand manner without abbreviations in the text or with subtle answers.

    I'm a total Newbie in this VCDS world.

    In this forum section it is intended that you should be able to ask questions about how to fix/repair/adjust/set up/check your VAG car and get answers from those who know better than yourself.

    I'm not looking to modify or alter my car, just check and if necessary adjust the WG actuator/arm in the best possible way.
    But I do not know how to do it



    According to the owner's manual, AUDI claims that the top speed of my car should be 223 Km/h ( using 95 RON Octane / 90 AKI/PON Octane )
    I did several WOT runs for several miles in a row on the Autobahn and only came up to 205 Km/h ( despite using significantly better fuel 102 RON Octane / 96 AKI/PON Octane )
    I think this is strange.

    I just wanted to pass on what I discovered with my car and ask here in the thread what I can check firsthand to see if everything is as it should or not with my car.

  7. #36
    NostraJackAss Jack@European_Parts's Avatar
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    Excuse my ignorance.
    English is not my spoken or written language,
    so I can have a little difficulty expressing myself and/or understanding your answers.
    Have patience with me, THANK YOU
    Try to explain to me in a simple and easy-to-understand manner without abbreviations in the text or with subtle answers.

    I'm a total Newbie in this VCDS world.

    In this forum section it is intended that you should be able to ask questions about how to fix/repair/adjust/set up/check your VAG car and get answers from those who know better than yourself.

    I'm not looking to modify or alter my car, just check and if necessary adjust the WG actuator/arm in the best possible way.
    But I do not know how to do it



    According to the owner's manual, AUDI claims that the top speed of my car should be 223 Km/h ( using 95 RON Octane / 90 AKI/PON Octane )
    I did several WOT runs for several miles in a row on the Autobahn and only came up to 205 Km/h ( despite using significantly better fuel 102 RON Octane / 96 AKI/PON Octane )
    I think this is strange.

    I just wanted to pass on what I discovered with my car and ask here in the thread what I can check firsthand to see if everything is as it should or not with my car.





    The RTFB = Hey did you know it means ......... READ THE FACTORY BOOK?

    http://wiki.ross-tech.com/wiki/index...ir_Information

    Set it up as factory designed test it and then log it with VCDS, no?

    Did you know you can log it now too in VCDS?

    Did you figure out yet that if you keep asking the same questions, the answer will be the same?
    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. #37
    NostraJackAss Jack@European_Parts's Avatar
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    Generic Example no?

    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.........

  9. #38
    Verified VCDS User 2stroke's Avatar
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    Question 1.8T ( 20 V )

    Quote Originally Posted by Jack@European_Parts View Post
    Weak WG spring is pretty common on that K03/29 turbo.
    You may find use of this thread:
    ( although it is really about the newer TFSI engines )
    https://forums.ross-tech.com/showthr...umble-Mechanic
    How to address the problem with the weak wastegate spring on the K03/29 turbos ?

    Quote Originally Posted by Jack@European_Parts
    https://www.youtube.com/watch?time_c...&v=7fk6cSDE3hE
    The video doesn't address the heart of the matter & which is a stupid design flaw!

    Turbo chargers changed due to P0299 code.......... is lack of experience in correcting an issue, verse just changing it with the same shit part!

    My favorite fail in the repair industry!

    If you run into a turbo charger that exhibits this stupid condition, do the following in the car first!
    Do not change the turbo charger further being a moron wasting money!

    Cut the waste-gate rod close to the actuator air motor, than leaving about 13MM of rod.
    Remove air motor and bench....

    Now the rod swings down limp and can be threaded with a socket die in the car carefully.
    Now thread the other side on bench.

    Now that you have threaded both, cut the rod in the car about 10 MM with a straight air saw or manually & with a nut already on the threads to guide you and used as a reverse chase to clean the threads.

    Now install a nut on the air motor and in the car with actuator air motor unsecured still & install a coupling nut and tighten it, further shorting the distance by 2 MM approximately or until spring pull tension is achieved to seal the WG valve.

    Now tighten the jam nuts against the coupling nut.

    Takes about 15 minutes for a pro and about an hour for a guy that never did it.
    Parts add up to the hardware store or Wurth supplier + tools you should already have in your box or will soon add.

    The whole issue is really just a weak spring due to being in a high heat transition location for induced wear!

    If you don't do this with a new turbo charger & while it's still on the bench, you have my permission to consider yourself an idiot!

    I should add that the same can be achieved by slotting the mounting holes of the WG actuator air motor and pulling it back to make a tighter basic setting position. ( Works like 90% of the time )

    Now a cheap ass fix at a total of "30 seconds" is to add an external spring, from lever at charger; to a bracket of your choice & to stiffen the hold of the WG valve that is currently weak!

    Just look at any old 1.8T ( 20 V ) turbo, they had a threaded setting on the wastegate actuator arm !

    // Jack.
    I'm not sure I fully understand what you're trying to explain above
    but I interpret it as you think the construction with the bushing in the house is poor and that the threaded actuator arm was better on 1.8T ( 20 V ) compared to the newer 2.0 TFSI engine.

    Quote Originally Posted by Jack@European_Parts View Post
    Vacuum is used & switched by diverter valve to permit secondary safety boost pulses.
    In an 1.8T ( 20 V ) boost is always diverted to WG spring and blocked by N75 to permit WG closed by spring tension
    and boost increased by this method of N75 recirculating boost to turbo at T connection.
    The spring strength of the wastegate actuator is also equally Important to hold exhaust to turbine up be spun and permit boost build.
    Good explanation !

    Quote Originally Posted by Jack@European_Parts View Post
    Actual boost & requested boost in addition to duty cycle of the N75 controls the WG
    and can be logged in 0x01-08-115 & to surmise the deviation being +/-

    https://forums.ross-tech.com/showthr...ut-0x01-08-000
    I will look into this and try to make a log of my car.

    Quote Originally Posted by Jack@European_Parts View Post
    Set the wastegate actuator up as factory designed, test it and then log it with VCDS.
    Did you know you can log it now too in VCDS ?
    OK, but what is the factory specified numbers ?
    No, I was not aware of that I can log it with VCDS.

    Quote Originally Posted by Jack@European_Parts View Post
    Generic Example on how to adjust the wastegator actuator:
    https://www.youtube.com/watch?time_c...&v=p12g1PpIcjE
    Great video !
    Then the question is how do I check that my wastegate actuator spring has not lost its tension ?
    And how many turns should I preload the wastegate spring ?
    Last edited by 2stroke; 08-27-2019 at 04:25 AM.

  10. #39
    NostraJackAss Jack@European_Parts's Avatar
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    All RTFB....
    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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