Technical Support. DPF regeneration OBD scan tools help perform forced Diesel Particulate Filter (DPF) regeneration service and clear DPF warning light. This service is required to clear PM (Particulate Matter) from the trap in combustion oxidation mode (such as high temperature heating combustion, fuel additive or catalyst reduce PM. Some background. I've completed a full regen on STAR after replacing the DPF sensor after the car went into limp mode and the EML light came on. Yesterday whilst driving down the A46 the car went into limp mode and the EML light came on so I plugged in and As you can see from the photos the fill level of the DPF is 400%. Ash content 1.59g.

One variation of the active regen is the “parked regen.” This is where the driver or technician presses a button while the vehicle is stationary to perform an active regeneration. However, sometimes even the parked regeneration doesn’t work, and you need to use a diagnostic tool to “force” the DPF regen.

Engine. 3.0 EcoDiesel. Unless you have something to read the ECM for turbo and exhaust temps, you won't know if the truck is in a regen. When in regen, the turbo and DPF temps are usually in 1000°F - 1200°F range. If your towing, it's possible that the DPF will stay hot enough that it doesn't need to do an active regen.
Nov 1, 2011. #2. in order to do a regen at idle, EGR needs to work so does the actuator, right air ratio and increased flow and yada yada yada, so if you're "tricking" the ECU that everythings fine, the DPF won't be fully regen. As for the coding not sure, never forced one.
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