10-30-2023, 02:27 PM | #1 |
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Black smoke under heavy acceleration
Hey..
I need your help. Suddenly for the first time at full throttle from stationary I saw black smoke. Then I stopped and just reving up basically on high rev black puffing comes out. It works fine, has power, the turbine pulls. 2015 F25 x3 diesel n47. 245,000 km. Regeneration of dpf cleaning done 30,000 ago. It wears a upgrade to 211 hp from 150,000. I have changed the egr, cleaned the intake, the dpf shows it at 48% and under load I don't see a pressure above 1.3 in the dpf. At the repair shop, one says that maybe it's dpf, the injector guy says it's probably not an injector and they shouldn't come out. What is your opinion; |
10-30-2023, 07:39 PM | #2 |
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I use bimmerlink to measure "differential pressure across DPF" it's always 0.0XX so 1.3 bar sounds high, even if you ignore the 1 part as we are already at atmospheric pressure.
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