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To regenerate a full soot filter on a Volvo XC90, the vehicle typically initiates an automatic regeneration process while driving at higher speeds, which raises the exhaust temperature and burns off accumulated soot. If the filter is still full after regular driving, you may need to use a diagnostic tool to force a regeneration cycle. Additionally, ensure that the diesel particulate filter (DPF) pressure sensor is functioning correctly, as issues here can prevent regeneration. Regular maintenance and using the appropriate fuel can help minimize filter clogging.

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3mo ago

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