Why Doesn't Audi's Particulate Filter Get Clogged?
1 Answers
Audi's particulate filter doesn't get clogged because most luxury cars use longitudinally mounted engines, which position the particulate filter closer to the engine where exhaust temperatures are higher, thus generally preventing clogging. However, this only delays the clogging process. Over time, unburned ash deposits will still eventually cause blockages. Solutions for particulate filter clogging: There are two types of particulate filters, and the treatment methods differ between diesel and gasoline vehicles. When a diesel vehicle's particulate filter is clogged, you can park the vehicle and press the regeneration button on the center console. The engine will then automatically increase its RPM while idling, and after about ten minutes, the particulate filter will be cleaned. For gasoline vehicles, you can shift to S mode and drive at higher RPMs for a period of time. This increases the exhaust pipe temperature, allowing the particulate matter in the filter to burn off, thereby resolving the clogging issue. The particulate filter is installed in the exhaust system. Its principle is somewhat similar to that of a three-way catalytic converter. The filter inside the particulate filter effectively captures tiny particles in the exhaust, making the emitted exhaust much cleaner. The vehicle can then increase the exhaust temperature to ensure these particles are fully burned, minimizing air pollution.
