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2.6 Quattro - Airflow meter or throttle body?

Discussion in 'A4/S4 forum(B5 Chassis)' started by RICHARDJC, May 20, 2005.

  1. RICHARDJC
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    RICHARDJC New Member

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    [May 20, 2005]
    Hi to all,

    My Car is still going well, now up 185K.

    Steering rack just replaced (ouch!)

    New problem - When cold the engine fires up fine and idles correctly, however at low speeds is very jerky.

    The car cruises fine but seems to have lost nearly all responsiveness.

    It uses minimal oil, no water loss and is regualry serviced so i do not think it is the engine. Could it be the throttle body and /or the air flow meter?

    Any help would be appreciated.

    Cheers

    Richard
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  3. RICHARDJC
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    RICHARDJC New Member

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    [May 22, 2005]
    I believe that the orginal fuel filter is still in residence!!

    However it is getting changed on Monday, along with all the brake disks and pads. Just as well its only money!

    What would you suggest is best to clean the air meter with?

    Cheers

    Richard
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  4. RICHARDJC
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    RICHARDJC New Member

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    [May 22, 2005]
    Thabks Tim,

    Will give it a go. I am assuming the Airflow meter is the 'thingy' in the induction piping just ahead of the air filter box.

    Here goes anyway..
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  5. RICHARDJC
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    RICHARDJC New Member

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    [May 25, 2005]
    thanks Tim,

    All completed plus fuel injector cleaner etc.

    Much better.

    Now for the suspension.....

    This A4 is turning into triggers broom!
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  6. imported_VaulterTim
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    imported_VaulterTim Guest

    [May 26, 2005]
    Hi Richard,

    So what was it in the end? Dirty MAF?

    Anyway, glad you got it sorted buddy /ubbthreads/images/graemlins/smile.gif

    Best wishes

    Tim
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  7. RICHARDJC
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    RICHARDJC New Member

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    [May 28, 2005]
    Tim,

    I removed and cleaned all of items at the same, so I have no idea which bit was the main culprit !


    Thanks again, the MPG has returned to a more useful 35MPG (touring) and there is no jerkiness when cold.

    So theres still more life in her yet, who knows may even aim for 200,000!

    Richard
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  8. imported_VaulterTim
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    imported_VaulterTim Guest

    [May 28, 2005]
    200K eh? /ubbthreads/images/graemlins/grin.gif

    Ok Rich, as I said above I'm glad you got it sorted. Did the throttle body look particularly dirty/full of junk?

    Maybe simply renewing the fuel filter sorted it... it seems to have been a likely candidate if it was the original!

    Anyway, best of luck with the new benchmark /ubbthreads/images/graemlins/smile.gif

    Best wishes

    Tim
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