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DPF differential Pressure Sensor fault codes + limping

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Hello dear people of BriSkoda!

I have the following problem to which I would like to ask for some help guidance:

My car is a 2013 (2014 model year) Skoda Octacia MK3 with a 2.0 CKFC engine. Around 6 months ago the car went into limp mode and throw a MIL for P2452 Fault. Brought it to my mechanic who had the DPF washed and changed the DPF dif. pres. sensor (to Vemo) (he suggested the DPF wash since the engine was out for a clutch change). After the service everything was fine drove around +9000 km and all of a sudden the limp mode came back but not constantly, sometimes when I turn off the engine and turn it back after a few minutes the car drives fine. Since now I am in another country until August I can't take it back to my mechanic. With VCDS I checked and now the following codes are present: p2453 P2452 P2454 (and to my surprise no MIL yet...). With VCDS I checked the Voltage of the sensor it was fine (according to a webpage so maybe I should redo the readings according to suggestions from here). Disconnected the sensor and I was able to blow to the tube easily. I have not seen any wiring damage. I tried to get some info from ErWin but it was a waste of time (and money). I attached the picture of my variant of the G505 sensor.

I hope someone can help me out and thank you in advance!

sensor.PNG

  • Author

Changed the sensor to Bosch. So far so good.

I have exactly the same problem and it's having a Bosch sensor being fitted tomorrow to replace the Hella one that a previous owner had fitted. Hopefully that will solve the problem......

Coincidentally, the glowplug warning light came on this afternoon when the low fuel warning came on at 65 miles range. I'll get my indie VAG specialist garage to sort that at the same time.

Hopefully (!) final update on my issues:

Garage changed both DPF pressure sensors but still could not force a DPF regen even though the "machinery" started OK - it kept stopping. After further investigation, it turns out the turbo was replaced recently (unknown to me when I bought the car) and the original exhaust gas temp sensor between the turbo and DPF was put back/left in place. This probe was almost burnt away to the diameter of a pencil lead so was changed and hey presto the DPF regen was completed without further problems. Soot down from 42.9 to 4.3 of what ever units are used.

Goes like a rocket now......

Edited by SwallownAmazon

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