A guide to diesel particulate filters. Understand what DPFs do and how they should be maintained. Diesel particulate filters, commonly known as DPFs, have been in the news after an Australian Federal Court decision in a class action that could cost Toyota about $2 billion. The class action concerns about 264,000 diesel Hilux, Prado and Fortuner
A diesel particulate filter (DPF) is found within the exhaust system of diesel cars. DPFs work to capture and store soot from the exhaust in order to reduce emissions. However, the filters have a limited capacity, so regular DPF regeneration is essential in order to avoid damaging your DPF and exhaust, resulting in costly repairs.
A diesel particulate filter such as the EHC PF can self-regenerate and clean itself, through a process that burns the soot in the filter. For the self-regenerating to start, the engine must reach a certain temperature. With the EHC PF filter, the engine must reach a temperature of 300°C and the backpressure that the pressure monitor is set to.
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how to clean dpf filter at home
