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  1. #1
    Reverse Gear

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    Apr 2010
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    PARTICULATE FILTER AND LOSS OF POWER PROBLEMS

    Wonder if anyone can help?

    Have just had a first interim service at 19000 miles on A5 TDI Sports and on return (first drive after service) the power from 0-2000 revs was limited to a crawl and then shortly after the Particulate Filter light came on the dash.

    Are these two issues connected?

    Could the service engineer have caused a problem?

  2. # ADS
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  3. #2
    1st Gear

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    Dec 2004
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    If the vehicle is used for short journeys or if the engine is allowed to idle for too long the particulate filter can become clogged which will result in a loss of power.

    The following was extracted from the handbook

    The diesel particulate filter requires regeneration. You can assist the self-cleaning function of the filter by driving as follows:
    Drive at a speed of at least 60 km/h for about 15 minutes in 4th or 5th gear, or with the selector lever in position S on vehicles with automatic gearbox. Keep the engine speed at about 2000 rpm. As a result of the increase in temperature, the soot in the filter will be burned off. The indicator lamp will go out once the cleaning process has been completed successfully.
    If the indicator lamp does not go out, drive to a qualified workshop without delay and have the fault rectified.


    Hope this helps

 

 

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