Find out what the different dash lights mean Know your TPMS from your DPF Can you sell a car with a warning light on? You may not pay much attention to them, but ...

Cars with active regeneration should see fewer DPF problems. Not very long is the answer. When the DPF warning light appears on your dash, it's indicating that the filter is nearing its storage ...

the engine's idling speed will typically be higher than usual and the car's start-stop system will be temporarily deactivated. DPFs get clogged with soot if regeneration doesn't happen often enough.

The filters for this car are advertised for anything from $200 to $800 for a second-hand DPF, but you could be buying one that is well past its best. In a more general sense, any second-hand Epica ...

German diesel car drivers, for example, face the threat of an additional road tax of €1.2 per 0.1 liter of engine displacement if their car doesn't have an diesel particulate filter (DPF).