Turbos, EGRs & Charge Air Coolers: How Do They Affect DPFs?

By being able to speak intelligently about the diesel exhaust system, your people can be a resource for your customers. In some businesses, the technician cleaning the diesel particulate filters is one of the least experienced people in your shop. To help them better understand the process, let’s do a simple review of how the diesel engine operates and the components that control and or create the exhaust. Understanding that the diesel particulate filter is just a trash can and only catches what comes down the exhaust pipe is the first step in understanding the process.