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  1. #1
    S4_dan's Avatar
    Fire up the Quattro!

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    Fecking Piece of dog muck!!

    Really getting hacked off with this car now!!

    Changed the TB, Coolant Temp sensor and spark plugs yesterday. Can ran ok ish last night. temp gauge hit 90 no problems.

    6am this morning, car wouldn't even IDLE!! Had to rev its nut off just get me off my drive and set off down the road. Temp gauge never went above 70 (even on the climate display!) Once warmed up alot (nice red hot air through the vents) Gauge still saying 70 and running a bit better.

    Finished work, and started car...it was the same. Wouldn't idle. Took air filter off, unplugged and replugged Coolant Temp sensor, started car and it started idling fine. Better ride home, although, temp gauge never went over 70 again though. MPG is totally pants again. 19mpg!!

    Just plugged it into laptop and got these:


    VCDS-Lite Version: Release 1.0
    Tuesday, 04 October 2011, 19:11:46:0
    Control Module Part Number: 4D0 907 551 F
    Component and/or Version: 2.8L V6/5V MOTR HS D03
    Software Coding: 04201
    Work Shop Code: WSC 00020
    3 Faults Found:
    17967 - Throttle Body (J338): Fault in basic settings
    P1559 -- 35-00 - -
    01166 - Engine Torque Signal
    11-10 -- Control Limit Not Reached - Intermittent
    16551 - Oxygen (Lambda) Sensor B2 S3; Heating Circuit: Malfunction
    P0167 -- 35-00 - -

    What is torque signal problem?
    I dont have 3 lambdas sensors on the car?!?


    With the bonnet up and drivers door open, the TB does make a whining noise for about 35-45 secs then clicks 3 times and stops. Is this normal?
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

    FOR SALE - Eibach Pro Sport springs for a 2.5 V6 B6/7 PM ME.

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  3. #2
    "Stick a V8 in it!"

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    heh Lambda Bank 2 Sensor 3 doesnt exist lol.

    Why did you change the CTS?

    Sounds like a faulty themostat causing the 70c running.

    I'm thinking we're leaning more towards a faulty ECU here?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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  4. #3
    S4_dan's Avatar
    Fire up the Quattro!

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    I only changed it because the old one, the metal rim, was corroding. Very rusty. So thought, whilst i was in the with TB and pipework off, to change it the sensor too.

    I've never been in the ECU box yet. Are these prone to water ingress like the D2 A8's were?!?!

    The B2 S3 isn't the only strange code i've had. I've also had once about some engine mount or something. Would it not rather be my VCDS and the ECU wouldn't have the info of the B2 S3 sensor would it??
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

    FOR SALE - Eibach Pro Sport springs for a 2.5 V6 B6/7 PM ME.

  5. #4
    bez101's Avatar
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    where did you buy the CTS

  6. #5
    Geeman's Avatar
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    Hmmm... that does sound like the 'stat is foobarred too.

    Have you checked the continuity between the MAF and the ECU yet? Like I said, you may have a chafed wire.
    NEW 6 cylinder 40mm front springs - £40

    PM me for more info

  7. #6
    jamie226bhp's Avatar
    2nd Gear

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    I fitted a new stat and the a few days later it was playing up took it out and it had got stuck open by it coming all the way out of the guide hole and not being able to slide back


    2000 A4 1.8 tqs scroll sp51, ths decat, milltek cat back with rs4 backbox, remap

  8. #7
    S4_dan's Avatar
    Fire up the Quattro!

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    Seems strange that on the day of fitting the CTS it was working totally fine. Only the next day did it fail to show the full reading on climate and the guage.

    Prior to doing all the work above, the car was running better than ever! Even achieving 31mpg avg at 70mph!! I got the CTS off ebay, its not genuine item. I'm going to be sending it back, not happy with it. I'll get a genuine item on friday or may even just refit my old one again for the time being.

    No, i've not had chance to do much continuity checks but i will at the weekend. I got a spare MAF now too.

    Dan
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

    FOR SALE - Eibach Pro Sport springs for a 2.5 V6 B6/7 PM ME.

  9. #8
    bez101's Avatar
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    always use oem CTS even the GSF ones fail or dont even work

  10. #9
    jcb
    6th Gear

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    CTS issue.
    always buy OEM for stuff like that

  11. #10
    "Stick a V8 in it!"

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    I agree, would only even go genuine on something like that.

    I dont think that explains the crazy fault codes though!

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  12. #11
    S4_dan's Avatar
    Fire up the Quattro!

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    picking up a genuine CTS tomorrow from my pal at VW stealer in York. Prob fit it on sat if i get chance, otherwise it'll be sunday. Having my Saab 900 turbos brought home on sat! More cars to work on! lol

    Aragorn....Maybe the ECU is taking after me being crazy? lol. If i can get from one local scrappy i will, cos he only charges 10quid for ECU's!!!
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

    FOR SALE - Eibach Pro Sport springs for a 2.5 V6 B6/7 PM ME.

 

 

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