If a diesel particulate filter (DPF) is ARB verified for an engine family, how can I be sure it will work for a given model of engine and a trucks driving cycle?
The executive order (see ARB’s Diesel Emission Control Strategies Verification) outlines the types of engines and certain other conditions under which the DPF is verified. In some instances, the filter manufacturer or dealer may need to outfit a truck with a temperature probe to see if the engine exhaust reaches the proper temperature for the proper amount of time to successfully use a specific ARB verified DPF. This is generally called “datalogging” and is not required by ARB but it is highly recommended as a way to tell if a DPF will work properly on a particular truck or group of trucks with similar engines and duty cycles. Datalogging is relatively simple and does not damage the truck in any way.
Related Questions
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