How Diesel Particulate Filters work How to avoid DPF problems How much is it to clean a DPF? A Diesel Particulate Filter — known as a DPF for ease — is part of a diesel car's exhaust system, designed ...
When the system injects fuel into the already ... In some cases, the DPF may require manual or professional cleaning. In older trucks, replacing the DPF may be necessary to restore efficiency.