It is important to ensure that the DOC is clean, if it is heavily coated with carbon the regeneration process could fail resulting in a blocked DPF. Wall-flow DPF’s usually remove >99.9 per cent of the soot within the exhaust gases. A DPF filter core looks like a catalytic converter core that has had alternate channels plugged.
If the warning message does not disappear on the multi-information display after driving, press the DPF system switch to manually regenerate the filter. ii. Regenerating the filter by pressing the DPF system switch. Stop the vehicle in a safe place. Shift the shift lever to P (automatic transmission) or N (manual transmission), and firmly set
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