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 ...

Typically located inside a diesel engine's exhaust system (after the exhaust temperature sensor, and ahead of the NOx catalytic converter), the DPF captures soot and other nasty combustion ...