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Please Help Engine Trouble

Discussion in 'A3/S3 Forum (8L Chassis)' started by Jays Audi Turbo, Mar 12, 2010.

  1. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    [Mar 12, 2010]
    I have a a3 1.8 turbo, this morning it was fine untill this afternoon the revs started dropping and the whole car started juddering then it would rev again then it would'nt then it would cut out and then i would put my foot down and the revs would drop completley , i have a uprated recirculating dump valve and a pipercross foam filter?
    Does any body have any idea's, i cleaned the throttle bodie but still no joy, please help

    Jay
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  3. finesse
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    finesse Active Member VCDS Map User

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  4. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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  5. Sandip
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    Sandip Well-Known Member

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    [Mar 12, 2010]
    Ignition module if it has one:)
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  6. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    Hav'nt got a clue m8 audi's are all new to me i use to be a vauxhall nut lol
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  7. Sandip
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    Sandip Well-Known Member

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  8. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    [Mar 12, 2010]
    Ah yes i know what you mean now i have it hanging next to the airbox as i have a pipercross induction kit, does it need to be attached to the airbox etc
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  9. A3Tom
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    A3Tom Smell my finger.

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    [Mar 12, 2010]
    No it doesnt need to be attached to the airbox if you have an induction kit.

    Instead of letting it hang there knock up a bracket so you can bolt it to the airbox mount on the suspenion tower in the engine bay. Check all the connections on it are clean and clipped in properly...if its hanging then they may have come un-done slightly.
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  10. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    [Mar 12, 2010]

    Ok i'll check in moring, had it on a fault reader 2nite and lad said its MAF sensor
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  11. A3Tom
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    A3Tom Smell my finger.

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    [Mar 12, 2010]
    Buy a genuine Bosch MAF if you get one, buy pattern = buy twice.
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  12. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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  13. Sandip
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    Sandip Well-Known Member

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    [Mar 12, 2010]
    I agree with Tom, always go for genuine when it comes to mafs, or you'll be back on here in a few months with a similar fault if you buy a copy lol

    Sometimes the maf faults can come up when they are unpluged, coming up as signal too low, best thing to do is clear the fault, take it out for a drive and then see what faults comes up. Have you put a cone on for the induction noise?:)
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  14. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    [Mar 12, 2010]
    Yeah i have a pipercross cone filter
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  15. Sandip
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    Sandip Well-Known Member

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    For the noise or performance bud? Cones do more harm than good
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  16. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    [Mar 12, 2010]
    A bit of both, but am thinking of running the air filter down pass the battery and behind the bumper, would that stop the maf sensor messing up again
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  17. Sandip
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    Sandip Well-Known Member

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    [Mar 12, 2010]
    :icon_thumright: spot on, the Carbonio intake is a good one! Had one on my Golf a few years ago
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  18. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    [Mar 12, 2010]
    So colder the better
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  19. Sandip
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    Sandip Well-Known Member

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    [Mar 12, 2010]
    True but you need a fmic for the air to be cooler on intake, doesn't matter how cold the air your filter gets as soon as it hits the turbo it'll be hot lol
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  20. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    [Mar 12, 2010]
    I have a fmic but i just need to do the pipes etc and link it all up etc
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