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new exhaust (diesel car) now getting white smoke

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  • Hammyman
    Hammyman Posts: 9,913 Forumite
    No. Unburned diesel comes out as white smoke. If its black smoke, its overfuelling or the air filter is blocked.
  • atrixblue.-MFR-.
    atrixblue.-MFR-. Posts: 6,887 Forumite
    everytime ive seen a dpf do a burn of unspent fuel its been a sooty looking colour. sometimes new back boxes will get condestation build up in them if the person doesnt do long trips and smoke a bit untill its been spent.
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