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Bag of **** when floor it

Discussion in 'A4/S4 forum(B5 Chassis)' started by Andyroo83, Feb 16, 2013.

  1. Andyroo83
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    Andyroo83 Member

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    [Feb 16, 2013]
    When i cane my 1.8 20v it sounds like a bag of ****. Dont think its engine think its exhaust by cat or one of gaskets shot. Anyone else had this problem?
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  3. Andyroo83
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    Andyroo83 Member

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    [Feb 16, 2013]
    Sounds fine when im just gently drivig along but when i put me foot down its sounds like a knackered tranny van.
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  4. @udi A3
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    @udi A3 Site Sponsor Site Sponsor VCDS Map User

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    [Feb 16, 2013]
    Any video fottage? Any loss of power?
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  5. Andyroo83
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    [Feb 16, 2013]
    no loss of power. And cant get any footage. Engine ticks over fine and when its stood and blip it it sounds fine. Just when i open it up down road. Think summits blown in system. ​
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    [Feb 16, 2013]
    If you think the exhaust is blowing hold a rag over the tail pipe and listen for leaks?
    Hard to tell whats up without seeing or hearing it.
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  7. jcb
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    jcb Active Member VCDS Map User

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    [Feb 17, 2013]
    unplug your MAF

    I would put money on it being knackered
    exact symptoms I had, could drive miss daisy around but as soon as I had to accelerate or put engine under load it crapped out, misfired, lost power, sounded terrible etc etc
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  8. Andyroo83
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    [Feb 17, 2013]
    The car is knackered? What would happen if unplugged maf?
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  9. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Feb 18, 2013]
    Does it accellerate normally and just sound ****? Or does it missfire/jerk/etc when you try to accellerate?
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  10. Andyroo83
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    [Feb 18, 2013]
    Accelerates fine just sounds **** when i put me foot down. Theres no jerking or loss of power either.
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  11. jcb
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    jcb Active Member VCDS Map User

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    [Feb 18, 2013]
    then it doesnt sound like the MAF if you still have power

    sounds like you have a exhaust joint opening up under load

    when you say "sounds ****" can you be more specific
    noisy
    blowing exhaust
    knocking, crunching, banging?
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  12. Andyroo83
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    [Feb 18, 2013]
    The noise only appears when under load. Could be join opening up. Its not knocking crunching or banging. Hard to describe the noise
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  13. Michael2013
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    Michael2013 New Member

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    [Feb 19, 2013]
    It sounds similar to what I'm experiencing at the moment with mine, apart from mine sounds awful when first starting up too, the engine is running sweet so I had mine at a custom exhaust garage in my town yesterday and up on the ramps, turns out I have a rusted hole at the rear, and the cat has gone at the front, its the cat that makes the worst noise though under load, my fuel is terrible too, and apparently the fuel consumption is **** when the exhaust is shot, especially if the cat has had it too.
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  14. Andyroo83
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    [Feb 19, 2013]
    Thts what i need to do is take it in to get ot checked out. The noise is coming from front had a quick check yesterday and the cat was rusted to hell but rest of system seemed fairly new. So probs have to fork out a small fortune for a cat.
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  15. Michael2013
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    Michael2013 New Member

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    [Feb 19, 2013]
    It very much could be the cat on yours, the guy who inspected mine knocked it a bit and it rattled like hell, he said it was totally shot, I have decided to completely de cat mine, I have booked it in for a full system.
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  16. Andyroo83
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    Andyroo83 Member

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    [Feb 19, 2013]
    How much that guna cost
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  17. Michael2013
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    Michael2013 New Member

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    [Feb 19, 2013]
    Its costing £330
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