That is the reason why you have to clear the soot occasionally.ĭiesel emission is harmful to our health and the environment at large. In simple terms, diesel car owners refer to the regeneration process as taking soot pollution from the car’s engine and storing it ready to get rid of it. The accumulated soot is burnt off around 600degrees Celsius at high temperatures, leaving only ash residue that effectively regenerates or renews the filter ready filter more particles. This process also prevents the tell-tale black smoke release, which we used to see many years ago from diesel cars, especially when the vehicle was accelerating. This behaviour does not impair the scheduled course of the regeneration in general.The regeneration process burns off the trapped soot, which is deposited in the vehicle’s filter, reducing harmful exhaust emissions to the environment. This behaviour can be seen exclusively with the vehicle stationary with the engine running. Subsequently, the service function ”Regeneration particulate filter” must be run again.ĭuring the regeneration phase and with the engine running, it can also occur that the display for 'Regeneration active' jumps to 'Regeneration not active'. 30 minutes at a speed that is a constant as possible. In this case, it is required to regenerate the particulate filter in a motorway / or cross-country trip taking approx. In the case of a particulate filter heavily loaded with soot, it can occur that the regeneration request is blocked again after a short time or is not released. In the event of a prematurely cancelled regeneration, the regeneration is started in the next drive cycle as soon as the coolant temperature has returned to a value of 75 ☌ and the exhaust-gas temperature before the catalytic converter has returned to a value of 240 ☌. Distances driven since the last but one and last but two regenerations in kilometres (only available as of DVD47 - only in vehicles with 6.cylinder diesel engines).Average fuel consumption per 100 km since filter replacement (only as of DVD47 - only available in vehicles with 6-cylinder diesel engines).Calculated total residual distance of the particulate filter in kilometres (only available as of DVD47 - only in vehicles with 6.cylinder diesel engines).Distance driven since (last successful) regeneration in metres.The following possible states for regeneration are displayed: The following possible states on regeneration are displayed: Moreover, the distance driven since the last regeneration can be read out.
The current state of any regeneration block, of a regeneration request in the control unit and the regeneration itself can be displayed both in the service function ”Regeneration of particulate filter” and in the DDE diagnosis request at the point ”Regeneration particulate filter”. Experience has shown that non-urban driving achieves the best regeneratiton results. The best possible effect of the regeneration is achieved if the vehicle is operated for at least 20 minutes at a speed of at least 60 kph that is as constant as possible as of the start of the regeneration. Moreover, the fuel level must be at least 10 litres. The regeneration is started at the next trip as soon as the coolant temperature has reached a value of at least 75 ☌ and the exhaust-gas temperature before the catalytic converter has reached a value of at least 240 ☌. The regeneration is requested in that the consumed fuel since the last regeneration is set to a maximum value in the DDE control unit. To enable regeneration of the partuculate filter, regeneration must be requested in the DDE control unit.
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