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  1. #1
    5th Gear

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    what can C.A.U.S.E spluttering

    hi my mates got a s3 when he puts his foot down all the time it splutters at about 4rpm onwoulds in all gears.
    dont have a clue what it could be wondering if anyone has had this problem with there car.

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    350bhp & 316ftlb BBT new k16 7+7 blade hybrid turbo, Welly cooler, jetex filter, relentless ported v3 manifold 3" downpipe & de-cat, liquid gauge, r32 rear arb, AGU ported and polished Head, 550cc injectors, kw v2 Coilovers, s3dave tie bars & heat sheild, milltek cat back, I.E forged rods, brembos, inline fuel pump, v3 badger 5 tip, devils own WMI kit, AGU pistons, rear grooved discs & brembo pads, ds2500 pads & EBC ultimax disc, stack boost gauge

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  3. #2
    Neutral

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    Coilpacks or a boost leak is where I would start.

  4. #3
    Sandip's Avatar
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    Coilpacks, MAF, temp sender, thermostat (if it's running cold), spark plugs, pre cat lambda, fuel filter, split hoses
    3.2 V6 with Custom Code VVT Attack Software


  5. #4
    shanejess
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    in my case its 2 bottles of rioja.

  6. #5
    SamiG's Avatar
    On Boost, ish.

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    Corz. Lolz.

  7. #6
    5th Gear

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    Quote Originally Posted by sandip View Post
    Coilpacks, MAF, temp sender, thermostat (if it's running cold), spark plugs, pre cat lambda, fuel filter, split hoses
    cheers sadip that will help mate think his temp sensor has gone he's getting the fault anyway and he's got a dodgy maf connetion
    350bhp & 316ftlb BBT new k16 7+7 blade hybrid turbo, Welly cooler, jetex filter, relentless ported v3 manifold 3" downpipe & de-cat, liquid gauge, r32 rear arb, AGU ported and polished Head, 550cc injectors, kw v2 Coilovers, s3dave tie bars & heat sheild, milltek cat back, I.E forged rods, brembos, inline fuel pump, v3 badger 5 tip, devils own WMI kit, AGU pistons, rear grooved discs & brembo pads, ds2500 pads & EBC ultimax disc, stack boost gauge

  8. #7
    Westy's Avatar
    Double Dark Side! Diesel & 8P

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    If the coil packs are a problem your mate should have the engine management light flashing at him (if its bad). A split in the fuel regulator hose can also cause problems if the car is struggling to fuel properly under load. Your best bet is to get the car scanned.
    8P A3 TDI - 220bhp - 335lbft
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  9. #8
    DaveA3's Avatar
    Audi A-Trizzle!

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    lol who changed the title?

    wouldnt the coilpacks cause stuttering at all different rpms rather than just at 4k?

    Audi A3 1.8T Sport (AGU) - 2000
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  10. #9
    Westy's Avatar
    Double Dark Side! Diesel & 8P

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    Quote Originally Posted by DaveA3 View Post
    lol who changed the title?

    wouldnt the coilpacks cause stuttering at all different rpms rather than just at 4k?
    They are worse on load though because they are having to work harder so the problem is more noticable higher up the rev range.
    8P A3 TDI - 220bhp - 335lbft
    A3 Maintenance Thread
    Bye bye S3 you will be missed.
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  11. #10
    Reverse Gear

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    It would also be worth checking that the cam timing is not a tooth out.

  12. #11
    5th Gear

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    thanks all he's got no engine light on and has been scand on vagcom just got temp sensor fault and maf but that coz he unplugged it
    350bhp & 316ftlb BBT new k16 7+7 blade hybrid turbo, Welly cooler, jetex filter, relentless ported v3 manifold 3" downpipe & de-cat, liquid gauge, r32 rear arb, AGU ported and polished Head, 550cc injectors, kw v2 Coilovers, s3dave tie bars & heat sheild, milltek cat back, I.E forged rods, brembos, inline fuel pump, v3 badger 5 tip, devils own WMI kit, AGU pistons, rear grooved discs & brembo pads, ds2500 pads & EBC ultimax disc, stack boost gauge

 

 

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