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6.7L Power Stroke – Diesel Particulate Filter (DPF) Pressure


The DPF sensor is a 3-wire variable capacitance sensor. The PCM supplies a 5 volt reference (VREF) signal which the DPF pressure sensor uses to produce a linear analog voltage that indicates pressure.
The DPF pressure sensor measures the exhaust pressure upstream of the diesel particulate filter.
Used as part of the diesel particulate filter load calculation for active regeneration.
IDS: DPF (pressure) and DPF_V (volts)