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International Automotive Technicians Network
Re: Excessive regen
Posted to HD/Fleet Forum on 4/2/2018

Start by checking the health of the sensor and filter. Key On Engine Off check for 0 PSI pressure/approximately 0.9 volts on the DPF pressure sensor. At 2000 RPM check for very little increase. Less than 1 LB and less than 0.5 volts increase on the voltage. I... Login to read more.