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Showing results for tags 'DPF P2002 ECU'.
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I have a Focus 2.0 Desiel and after on and off problems with the DPF decided to get it removed. The DPF was taken out and the inside mesh removed. It was then reattached to the car with the sensors re-connected. I then had my car Re-mapped to delete the DPF but am now recieving: P2002 errors Diesel Particulate Filter Efficency Below Threshold Bank 1 This puts the car back into limp mode. The pressure tubes from the DPF both connect to a sensor located on the side of the battery box, which has 3 wires connecting it to the ECU Connecting a multimeter to these I found the following. Yellow & Purple 5 Volts Brown & White (Ground) 0 Volts White & Purple 0.32 Volts when running Looking at this, White & Purple must be diagnosis voltage and the other 2 wires just the power feed. If I Rev the car to about 3000rpm the White/Purple voltage increases to 0.34 Volts so I guessing the sensor is working fine I then tried disconnecting the sensor which gave me the following codes P2452 and P2455 Pressure Sensor Circuit High also the White/Purple voltage increased to 4.6 Volts My question is if i have had the inside of my DPF removed and the car remapped to delete DPF should I be still receiving these errors ? Shouldnt it just ignore information comming from the sensor Thanks Rich