Chris NottJMB Retrofits
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  1. #1
    Vex182's Avatar
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    Cleaning has caused problems (If it's not broken - don't fix it!)

    Thought I would clean my throttle body today / never done it before. Wipped off the battery and removed the Tb. Very dirty both side, a good clean with carb/ intake cleaner, all dried out and refitted. Battery back on and reset the throttle in VCDS. Started ok and then drove like almost no boost! Went out for 1/2 hour and no change, checked for faults and all were good. Left it for a bit, took it out again and still it's very poor, in a quick logging session on block 115, it asked for 2,500 mbar at some points and it never went above 1,580! Can't see anything damaged and can hear the turbo spooling. Had a boost leak test just last week at r-tech and all was good.

    Open to all ideas.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

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  3. #2
    Vex182's Avatar
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    Any ideas? I disconnected the battery last night, went out for a spin this morning and it's all the same, currently got the battery out checking down near the TB to see if I knocked anything but all is well. All pipes under the manifold are correct or blocked up as required. Top boost hose from turbo is fine too. Car pulls as normal until about 2,800-3,000 and then just feels flat.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

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    Paradox1's Avatar
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    I had a simular problem after swapping the maf over. the car was idling all over the place. Worked for me but disconnect the battery for about half hour, connect it up and leave it idling for about 5-10 minutes. worked a treat for me so worth a try at least

  5. #4
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    Log throttle plate position (003) and do a throttle body reset in VCDS... (Throttle Body Alignment (TBA) - Ross-Tech Wiki)

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

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    Prawn's Avatar
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    half a bar of boost, sounds like actuator pressure or there abouts to me mate. As if it's somehow dropped down to limp mode for some reason.

    Not unplugged the N75 for any reason and forgotten to reconnect? Any fault codes this morning?
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    Vex182's Avatar
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    Ok cheers, ill get it back together and let it idle for a while and see if it sorts itself out. I thought my drive around yesterday would have woke it up.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  8. #7
    Vex182's Avatar
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    More info.

    No fault codes even after 20 minutes of driving, up to temp etc. throttle does go to 100% too. Aligned it twice and it said ok. Just checked the smic's are tight.

    Edit: Car is all back together and everything was tight, I have reseated the boost pipe from the map sensor to the TB and cleaned the hard pipe out of a small amount of oil. It's just idling now and only code so far is because of the battery being off.
    Last edited by Vex182; 19th February 2013 at 10:53.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  9. #8
    Vex182's Avatar
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    Here is a quick picture of a log I have done, the laptop I am using does not have much on it to make it easier to see. Yellow is requested boost and red is what is being given. Seems to limit at 1,580 mbar. No fault codes still on full scan and the N75 is connected as normal - it was not touched yesterday anyway. Throttle body was realigned and still seems to have made no difference. This really does seem odd as nothing else was moved or knocked.

    Last edited by Vex182; 19th February 2013 at 11:49.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  10. #9
    Vex182's Avatar
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    Is there a way I can test the n75 valve via VCDS? Anything else I should be looking for before it gets dark? No other fault codes show.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  11. #10
    vrbob's Avatar
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    Not sure if this will help you fix it right now, But my old pre facelift S3 had a similar issue and it turned out that the throttle body was faulty even though it did not show up as faulty on VCDS.

    Do you know anyone locally that has the same engine as you in any version of a VAG car as you could try out there TB on your car to eliminate it as the issue.

    If you do find its the TB at fault you can grab a cheap second hand one off ebay VW Audi 1.8T 20v Engine Electronic Throttle Body Golf Gti Audi S3 | eBay
    Audi S3 8L BAM 225 2002 - Ming Blue : Silver Heated Leather, Armrest, RNS-E - Bose, Alloy Mirrors, 18" RSTT`s, Sunroof, Cruise, AutoDim Mirror & Usual S3 Extras.
    Mods : Badger 5 Stg 2 Custom Map, FMIC, 3" DP & 200 Cell Cat, 007P, Jetex Filter & 80mm TIP & Heatshield, Complete LED Kit, Gen VW Aero Wipers, Full Powerflex Kit, R32 RARB, AP Shocks & Springs, 15mm Front & 20mm Rear Spacers, BB Uprated Actuator,
    N249 Delete & Catch Can, AP TVR 4Pot Brakes & DS2500`s, Sachs Carbon/Kevlar Clutch

  12. #11
    Vex182's Avatar
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    Quote Originally Posted by vrbob View Post
    Not sure if this will help you fix it right now, But my old pre facelift S3 had a similar issue and it turned out that the throttle body was faulty even though it did not show up as faulty on VCDS.

    Do you know anyone locally that has the same engine as you in any version of a VAG car as you could try out there TB on your car to eliminate it as the issue.

    If you do find its the TB at fault you can grab a cheap second hand one off ebay VW Audi 1.8T 20v Engine Electronic Throttle Body Golf Gti Audi S3 | eBay
    Cheers for the link. Not really, also some people might me put off incase theirs has a problem afterwards lol. It was all fine until I took it off to clean it, never had an issues before.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  13. #12
    vrbob's Avatar
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    can you hear the TB move when you do an allignment in VCDS?

    Also have you tried unplugging the MAF and seeing if it runs better?
    Audi S3 8L BAM 225 2002 - Ming Blue : Silver Heated Leather, Armrest, RNS-E - Bose, Alloy Mirrors, 18" RSTT`s, Sunroof, Cruise, AutoDim Mirror & Usual S3 Extras.
    Mods : Badger 5 Stg 2 Custom Map, FMIC, 3" DP & 200 Cell Cat, 007P, Jetex Filter & 80mm TIP & Heatshield, Complete LED Kit, Gen VW Aero Wipers, Full Powerflex Kit, R32 RARB, AP Shocks & Springs, 15mm Front & 20mm Rear Spacers, BB Uprated Actuator,
    N249 Delete & Catch Can, AP TVR 4Pot Brakes & DS2500`s, Sachs Carbon/Kevlar Clutch

  14. #13
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    Quote Originally Posted by vrbob View Post
    can you hear the TB move when you do an allignment in VCDS?

    Also have you tried unplugging the MAF and seeing if it runs better?
    I've not tried unplugging the maf yet, yeh the throttle is adjusting when i ask it to, it opens to 100% when foot is down to. I have just been out and logged block 118, the n75 duty cycle stayed at 0% even at 4,500 - 5,000rpm, should this not change?
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  15. #14
    vrbob's Avatar
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    yeah i think it should change so maybe unplug the N75 and see if anything changes as if it runs the same then i would say the N75 is fubard. So maybe just coincidence that it failed after you cleaned the TB.
    Audi S3 8L BAM 225 2002 - Ming Blue : Silver Heated Leather, Armrest, RNS-E - Bose, Alloy Mirrors, 18" RSTT`s, Sunroof, Cruise, AutoDim Mirror & Usual S3 Extras.
    Mods : Badger 5 Stg 2 Custom Map, FMIC, 3" DP & 200 Cell Cat, 007P, Jetex Filter & 80mm TIP & Heatshield, Complete LED Kit, Gen VW Aero Wipers, Full Powerflex Kit, R32 RARB, AP Shocks & Springs, 15mm Front & 20mm Rear Spacers, BB Uprated Actuator,
    N249 Delete & Catch Can, AP TVR 4Pot Brakes & DS2500`s, Sachs Carbon/Kevlar Clutch

  16. #15
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    Vex182 ........not to sound like an arse but I would think there has got to be a problem with your maf/n75 or turbo as your only running 254 bhp with your mods and stage 1 map on a 225 s3! .? ?? would we not expect to see yours running 265 ish mate?



    Sean
    Current: 2013 Audi A3 2.0 tdi s line 8V in black SD nav+ extras, E46 BMW M3, 1971 Volvo p1800, 2014 Ford transit sport 155ps ;-)

    Previous : Focus st 225 stage 1 (265 bhp and too much torque), 2002 audi s3 bam engine completely OEM, 2001 Audi a3 1.8 TQS 221bhp and about 20 other cars, majority civics ek4/ek9 and Bmw / Audi soot chucker's!

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    Quote Originally Posted by vrbob View Post
    yeah i think it should change so maybe unplug the N75 and see if anything changes as if it runs the same then i would say the N75 is fubard. So maybe just coincidence that it failed after you cleaned the TB.
    Just been out with the N75 disconnected, a fault code came up for the n75 but the car drove exactly the same. Sounds like this could be it then, very odd! The maf readings are a lower than normal but would that be expected to keep air to fuel correct? With the maf disconnected the cars exactly the same so I guess thats ok.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  18. #17
    vrbob's Avatar
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    Quote Originally Posted by Vex182 View Post
    Just been out with the N75 disconnected, a fault code came up for the n75 but the car drove exactly the same. Sounds like this could be it then, very odd! The maf readings are a lower than normal but would that be expected to keep air to fuel correct? With the maf disconnected the cars exactly the same so I guess thats ok.
    If it does the same with it unpluggged then i would say yes its the N75 at fault you can get a replacement off ebay for less than £30 second hand just make sure you get the same part number as you already have on the car as the last letter is the version which i think is an F but i could be wrong lol
    Audi S3 8L BAM 225 2002 - Ming Blue : Silver Heated Leather, Armrest, RNS-E - Bose, Alloy Mirrors, 18" RSTT`s, Sunroof, Cruise, AutoDim Mirror & Usual S3 Extras.
    Mods : Badger 5 Stg 2 Custom Map, FMIC, 3" DP & 200 Cell Cat, 007P, Jetex Filter & 80mm TIP & Heatshield, Complete LED Kit, Gen VW Aero Wipers, Full Powerflex Kit, R32 RARB, AP Shocks & Springs, 15mm Front & 20mm Rear Spacers, BB Uprated Actuator,
    N249 Delete & Catch Can, AP TVR 4Pot Brakes & DS2500`s, Sachs Carbon/Kevlar Clutch

  19. #18
    Vex182's Avatar
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    Quote Originally Posted by s33nyboy12 View Post
    Vex182 ........not to sound like an arse but I would think there has got to be a problem with your maf/n75 or turbo as your only running 254 bhp with your mods and stage 1 map on a 225 s3! .? ?? would we not expect to see yours running 265 ish mate?Sean
    Its alright, the turbo has done 103k but its always been fine. I think a new n75 will be in order first, maf I replaced last year from Audi. N75 looks original due to its faded colour of the plastic. About 30 for a second hand one? Whats the approx cost of a new N75?
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  20. #19
    s33nyboy12's Avatar
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    Take part number off it mate and ring tps, or ring tps with your reg number and ask them (euro car parts or gsf aswell)

    Sean
    Current: 2013 Audi A3 2.0 tdi s line 8V in black SD nav+ extras, E46 BMW M3, 1971 Volvo p1800, 2014 Ford transit sport 155ps ;-)

    Previous : Focus st 225 stage 1 (265 bhp and too much torque), 2002 audi s3 bam engine completely OEM, 2001 Audi a3 1.8 TQS 221bhp and about 20 other cars, majority civics ek4/ek9 and Bmw / Audi soot chucker's!

  21. #20
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    Audi N75 valve, standard version 058 906 283F Genuine | eBay

    Ordered that on Friday as I had an overboosting problem, fitted today and completely changed the car.. boost is available all the way through the gears rather than just dumping in at around 3500 - 4000rpm.

  22. #21
    Vex182's Avatar
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    Right ill get a new n75 ordered and report back when I have that fitted. Thanks all.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  23. #22
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    You can also do an output test on the n75 valve using vcds to see if it is working properly, hope this helps
    2002 s3 silver, BAM, lcr Brembos ds2500 pads, Braided hoses, forge 008 dv, stack boost gauge, power flex dog bone bush/wishbone bushes, forge boost hoses, B5 tip, B5 remap, toyo fmic

  24. #23
    Vex182's Avatar
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    Quote Originally Posted by Vwdan80 View Post
    You can also do an output test on the n75 valve using vcds to see if it is working properly, hope this helps
    Yeh I posted earlier saying I had tested it and it always stayed on 0% even up to 5k, thanks.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  25. #24
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    If you do an output test on it without the engine running you can hear the valve clicking in and out, that's the test I meant
    2002 s3 silver, BAM, lcr Brembos ds2500 pads, Braided hoses, forge 008 dv, stack boost gauge, power flex dog bone bush/wishbone bushes, forge boost hoses, B5 tip, B5 remap, toyo fmic

  26. #25
    Vex182's Avatar
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    Quote Originally Posted by Vwdan80 View Post
    If you do an output test on it without the engine running you can hear the valve clicking in and out, that's the test I meant
    Oh right, not actually done that. I go on output and then block 118 and press go and then should hear it with the bonnet open?
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  27. #26
    Vwdan80's Avatar
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    Go into engine then select output test instead of measuring blocks, click on start and you can cycle through different actuator tests one of which is the n75 valve. It should click quite loudly if its ok.
    2002 s3 silver, BAM, lcr Brembos ds2500 pads, Braided hoses, forge 008 dv, stack boost gauge, power flex dog bone bush/wishbone bushes, forge boost hoses, B5 tip, B5 remap, toyo fmic

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    hi mate.
    i did the throttle body clean.
    had your issues.
    turned out to be the electrical connection to the throttle body (connector block radiator side) was loose.
    clean the connector and use a zip tie to connect it tight.
    all good after

  29. #28
    Vex182's Avatar
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    Ok cheers, everything seems to point to the n75 being broken and some stuff seems to confirm it but more stuff confirming it is always helpful - good to make sure!
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  30. #29
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    n75 £35 quid audi

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    Quote Originally Posted by jezzy View Post
    hi mate.
    i did the throttle body clean.
    had your issues.
    turned out to be the electrical connection to the throttle body (connector block radiator side) was loose.
    clean the connector and use a zip tie to connect it tight.
    all good after
    Do you mean the one on the start of the inlet manifold? I think my throttle body only had one connection itself, from behind and kinda under it.
    Last edited by Vex182; 20th February 2013 at 07:51. Reason: Spelling!
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  32. #31
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    hi mate will look in the morning cant remember off hand.

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    yep same as yours

  34. #33
    Vex182's Avatar
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    Well genuine new n75 fitted and the cars even worse. Less boost and sounds different, confirmed by changing it back to the original. No boost leaks and no fault codes. I disconnected the sensor on the front of the inlet and it gave a fault code but did not drive any different. Out of ideas now and fed up like we all get!
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  35. #34
    vrbob's Avatar
    Thats no Moon, Thats a space station!

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    I know your not getting any fault codes but i still think that your TB might be not working correctly as this is exactly what my old S3 did.

    Symptoms were it felt like it had a boost leak and would hold back under acceleration bringing on both the traction control and ABS lights on the dash.

    I had to give it to Audi who spent hours swapping bits for new bits (they tried 6 different MAFs!) in the end they tried a new TB as just a trial and it fixed it straight away it was something to do with the butterfly valve not closing properly even though it told VCDS it was.

    So is there anyone local to you that you can borrow a TB from for 5 mins? as this will confirm or deny my theory.
    Audi S3 8L BAM 225 2002 - Ming Blue : Silver Heated Leather, Armrest, RNS-E - Bose, Alloy Mirrors, 18" RSTT`s, Sunroof, Cruise, AutoDim Mirror & Usual S3 Extras.
    Mods : Badger 5 Stg 2 Custom Map, FMIC, 3" DP & 200 Cell Cat, 007P, Jetex Filter & 80mm TIP & Heatshield, Complete LED Kit, Gen VW Aero Wipers, Full Powerflex Kit, R32 RARB, AP Shocks & Springs, 15mm Front & 20mm Rear Spacers, BB Uprated Actuator,
    N249 Delete & Catch Can, AP TVR 4Pot Brakes & DS2500`s, Sachs Carbon/Kevlar Clutch

  36. #35
    Vex182's Avatar
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    Its not like a boost leak, it's like really gently struggling as if i accelerating in 2nd rather than 1st etc. No one near me that I know to try. No abs or ESP lights too. Think ill just get it booked into r-tech again.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  37. #36
    Vex182's Avatar
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    Managed to try another throttle body from a guy I used to work with! Forgot his S3! Unforuntaly it made no difference, his was a little dirty but no worse than mine was to start with. Doing some logging and the new N75 fitted still shows a 0% duty cycle ALL the time.

    Edit: Could for some strange reason, the wastegate be stuck open? Really can't figure this one out. I tried a new DV now too (standard Audi one) and that made no difference.
    Last edited by Vex182; 23rd February 2013 at 01:15.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  38. #37
    s33nyboy12's Avatar
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    Your not having much luck mate! If you have vcds search the threads to see if there is a way to check waste gate position on that?

    Don't throw your new n75 yet , when you fix the underlying problem the n75 may still make improvements from before....
    Sean
    Current: 2013 Audi A3 2.0 tdi s line 8V in black SD nav+ extras, E46 BMW M3, 1971 Volvo p1800, 2014 Ford transit sport 155ps ;-)

    Previous : Focus st 225 stage 1 (265 bhp and too much torque), 2002 audi s3 bam engine completely OEM, 2001 Audi a3 1.8 TQS 221bhp and about 20 other cars, majority civics ek4/ek9 and Bmw / Audi soot chucker's!

  39. #38
    Vex182's Avatar
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    Quote Originally Posted by s33nyboy12 View Post
    Your not having much luck mate! If you have vcds search the threads to see if there is a way to check waste gate position on that?

    Don't throw your new n75 yet , when you fix the underlying problem the n75 may still make improvements from before....

    Sean
    Thanks! Nah I'm not. Around town it dries like normal, it so only above 3.5k it's different. Yeh I am keeping it aside - yes it is plumbed in right too!

    Niki is going to have a look for me next week, I've got a week off and wanted to head away to Wales with the mountain bike.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

 

 

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