Diesel Particulate Filter

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This topic contains 3 replies, has 4 voices, and was last updated by  allen fletcher 4 years, 1 month ago.

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  • #3096 Reply
    Stuart Masson
    Stuart Masson

    Have any of you diesel car drivers run into trouble with your Diesel Particulate Filter (DPF)?  Share your stories here.

  • #5192 Reply

    Diesel Particulate filters (DPF) or ‘traps’ do just that, they catch bits of soot in the exhaust.
    As with any filter they have to be emptied regularly to maintain performance. For a DPF this process is called ‘regeneration’ – the collected soot is burnt off at high temperature to leave only a tiny ash residue.

  • #5218 Reply
    The Colonel
    The Colonel

    Renault Laguna 1.9 DCi. Around twice per year it would get blocked, causing a bit of rough running and an amber warning light. Clear bit of road, get it up to around 20mph, in 2nd, and then foot to the floor, and it would blow through. That advice came from Renault, in the absence of running it “properly” (periodically running it at over 2500rpm for about ten minutes). Worked every time, though.

    "Who do you think is the most capable?"

    "Capable of what?"

  • #8876 Reply

    allen fletcher

    The diesel particulate filter is mounted in the exhaust system, and looks similar to an exhaust silencer. Its role is to trap exhaust soot deposits so they don’t exit the exhaust. When the filter becomes full of soot, it burns off the soot leaving a much smaller amount of ash trapped in the filter unit, this is called regeneration

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