More DPF Trouble

[Domowilko]

Following on from having my DPF replaced only weeks ago i am faced with the Particle Filter warning yet again.  :'(

I decided to buy the Carly adaptor and what a nice bit of kit this is. Following on from running the diagnostics i received the below:
00480A Particle filter system Engine Motor Control
00481A Particle filter system Engine Motor Control
009D12 Fault in the battery Theft alarm Anti-theft alarm system
009D1F Errors in the tilt-circuit Theft alarm Anti-theft alarm system
00C947 Bus communication error Advanced Crash and Safety Management (ACSM) Airbag

The DPF checks also shows
13.12.2016 16:54:04 Soot mass Ash mass Regeneration requested Average engine speed
13.12.2016 16:54:04 60.000000 0.400000     6.000000                 701.886230

Can anyone with any experience advice on any of the above and possible causes of the errors and why there is so much soot in a new DPF.

Regards


Dom

[Domowilko]

More info below re the DPF readings

Faultcode: Particle filter system
  Faultset 1:
  (appeared at: 157408.0km)
      Exhaust backpressure before particulate filter:
      1408.00 mbar
      Exhaust gas volume flow in the particulate filter:
      392.88 m^3/h
      Ash in the particulate mass:
      0.00 g
      Differential pressure by particulate:
      393.85 mbar
      Injection quantity:
      30.72 mg/Hub
      engine coolant temperature:
      72.21 °C
      Air mass per cylinder:
      667.96 mg/Hub
      Engine speed:
      2151.43 1/min
      Russ mass in the particulate filter:
      79.92 g
      ambient pressure:
      994.46 mbar

[ianst0028]

Looking briefly at the diagnostics i'd guess that your pressure sensor is failing ..... or the pipe running to it is partially blocked

[Domowilko]

Thanks for that Ian, could i ask how you come to that conclusion. I am keen to start in trying to understand these readings.

[jason@bwchiptune]

The Dpf blocks up due to the car not being able to Regen 
This is normally because a component is not showing the correct readings which stops the Regen process

Who advised you to change the Dpf and why?




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[Domowilko]

It was an independent garage. The car had its dpf cleaned in January prior to me purchasing the car in October. It since went in for a check and the readings were to high to force a regen.

I was given the options to replace, clean or remove. I thought i would replace so i new where i stood.

[Domowilko]

Turns out the coolant temp was not reaching 90 degrees. Thermostats changed coolant  temp has risen and the car is doing a regen successfully when  the soot levels get to approx 40g and taken on a decent run.

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