Eventually the RAC came out (via Skoda Assist) and diagnosed the DPF sensor has faulty. The old sensor says "Made in the US" the replacement has a different part number and says "Made in Malaysis". RAC guy reckons that the earlier US sensor was a prone to fail on many Audi's and VW's and that the later sensor is much improved. dpf diesel particulate filter - audi a3 skoda octavia vw golf passat 1.6 2.0 tdi £1,066.85 Premier Premium Diesel Particulate Filter DPF Euro 4 Fits VW Audi Seat Skoda #1 (Fits: Skoda Octavia) Although the sensor maybe working the car does not know how full the DPF is, the Exhaust pressure sensor needs to have an adaption cycle run or the DPF will either not regenerate or will regenerate incompletely. See my DIY thread in the Superb MK2 forum which shows how to complete this on a MK2 Superb PD140 using VCDS. short trips kill DPF's. yeah that's because it's getting full it will regen more and more often and eventually keep regenning constantly until the DPF light comes on and it needs either chem clean or replacing. essentially soot builds - regen, soot burnt off and % ash left behind im not 100% on the g / ML quantity before it requires outside In the Yeti's engine installation the DPF is very close indeed to the turbo's exhaust outlet. Which enables it to get up to light off temp very rapidly in the journey, compared to a number of other, older installations. That means regens can be more effective over the distances you are talking about.
If the DPF (Diesel Particulate Filter) warning light has appeared on the dashboard it is most likely due to an issue with the DPF being blocked. Cars fitted with the DPF are not particularly well-suited for use in short journeys, such as around town. If they are only used in this situation then the DPF can unfortunately get clogged up.
XglOVs.
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    • dpf filter skoda octavia 2