6.4L - Clogged DPF

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This issue present itself many times in the 2008-2010 Ford Power Stroke models. One of the issues is that these trucks are kept idling for too long and this will eventually clog up the filter. In some cases, it's necessary to perform a manual regen to clean the filter out. This process can only be carried out with a scan tool or some tuners/monitors.

More often we see that the customer comes in with a check engine light on for something emissions-related. When this happens the truck will sometimes prevent itself from going into the regen process as it's supposed to. Over a short period of time, the filter begins to clog and restrict air flow, eventually placing the truck in de-rate or limp mode. Should the DPF filter stay clogged for too long, it can create great backpressure on the engine itself, causing piston ring, valve train, and turbo failure.