Monster MotorsportEM Tuning
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  1. #1
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    Lightbulb Hi new to site and need some advice..............

    Hi, have A3 early 2000 model 140,000 miles. had hesitation problem with car, sounded quite muffled and throaty if that makes sense. felt like even with foot hard to floor it wasnt going anywhere. not revving properly. blew head gasket, just replaced that but problem stillthere. dont want to blow gasket again so looking for advice. i have just realised that if car starts first time on key with no accelarator at all the car runs fantastic, but if i have to touch the throttle at all to start her thats when the problems begin...... the only option is to pull over and wait til i can start her without using the throttle. Any ideas???

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  3. #2
    <tuffty/>'s Avatar
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    Hi and welcome to the site

    First thing you will need to do is check for fault codes... what engine code is yours? AUM or AGU? can't remember when the change over was...

    All the usual culprits should be checked... vacuum and boost pipes/hoses etc... try running the car with the MAF unplugged to see if things improve (would suggest faulty MAF if it does))

    But other than visual checks you really need to check fault codes as it could be explained away simply from any you may have...

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

  4. #3
    camscockle20vT's Avatar
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    Hi mate welcome to asn. As for your problems its best to get vag com on it to see if theres any fault codes. Could be coil packs or split boost pipe or breather pipes, most likely ones under the inlet manifold. Good luck.

  5. #4
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    hi, its a AKL engine. 1.6. there is no engine management light on. tonight i left work and drove for 5 miles abosolutely fine. stopped for 45 mins. started it first time on the key no accelerator needed. pulled away in 1st fine, went into 2nd and immediately it lagged. had to stop and retry starting it...same again, 3rd time drove the mile home no probs. coil pack was replaced about 3 months ago.

  6. #5
    camscockle20vT's Avatar
    The stigs ugly brother

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    Oh thought you had a 1.8 turbo for some reason lol could need a good service, im not sure about the 1.6's

  7. #6
    patTTpoa's Avatar
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    I'm thinking possible blocked cat

    Pat






  8. #7
    <tuffty/>'s Avatar
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    Fault check first

    Same regardless of engine tbh...

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

  9. #8
    Ashley g's Avatar
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    I'm also thinking blocked cat! Disconnect the exhaust and see if it revs a bit more freely
    2003-03 8L S3 Dolphin grey - Porsche 996 calipers - Mo-vit 325mm 2 piece front discs - 15mm spacers all round - Miltek resonated cat back - Genuine RS4's - Vredestein Sessanta's - Forge 007p - Forge TIP - JR cone filter - Poweflex diesel dog bone bush - AMD Remap - Blue Haldex controller - FK AK Coilovers - Seat Leon Cupra R top mounts - 8P S3 gear knob and gaitor - TT pedals - Neuspeed quick shift - LED number plate bulbs



    14.2 quarter @ 97 mph

    Power? 241 bhp with a boost leak, now fixed

  10. #9
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    update

    Hi, have had a guy out to track fault codes and he says im showing 3 -
    lambda sensor
    throttle actuator
    and throttle control sensor


    im sure it cant be all 3 things gone at once so which would be the best/easiest one to go for.
    cheers.

  11. #10
    <tuffty/>'s Avatar
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    Any chance you can post the actual fault codes?

    You can then look them up here
    Category:Fault Codes - Ross-Tech Wiki

    ..and make a start diagnosing... what you have posted isn't enough really..

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

 

 

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