My Greenline Octavia 2015 has passed 180 000 km and its warranty period has expired. Never had any big issues with it and did not know or have any of the monitoring tools. In fact the only service it required was a decent oil and filter change at service intervals and the regular brake services. I mostly drive long routes loving the super effective diesel that gets around 1100 km per 50 l tank. Did not know about the DPFs etc. because my old diesel ran for 470000 and did not have a DPF yet. In all the time the DPF light / error massage came up only three times. When that came up I did the regen run for 20-40 min and it was ok.
Now last time I had the car at the official skoda servicing they told me that they also did a forced regeneration for the DPF because they thought the engine light might come up. Two weeks ago and 10.000 km later my engine light came up and I brought the car to my mechanic who is not a official skoda servis and is a lot cheaper and my warranty period is over anyways. He told me that it was a P2002 Error massage : Particle Trap, bank 1 - efficiency bellow threshold and that there were two options. Either the DPF was getting to full or the pressure sensor was faulty. He replaced the sensor, reset the fault and told me that if it would come back up in a week I either had to changer / remove or clean the DPF.
A few days later the light came back up and I took the DPF to a specialized cleaner. They did a deep clean and I remounted it and cleared the fault. I also got a report on the flowrate of the of the leaned DPF. Before it was 262m3/h at 194 mb and after it was 472m3/h at 20 mbar. I figured that should be ok now. Trough all this the cars performance stayed normal so no issue on throttle or gas or higher fuel use and no limp mode either. Now the light came on again and it was the same fault P2002. I cleared it twice now after a good 160 km each again in hope that the system would triggering a DPF regen cycle and I guess recalibrate the PIDs for the DPF.
After this started I started exploring DPF and got myself a OBDAdvance dongle and InCarDocPro as well as the full version of VAG DPF. I did a long run monitoring on VAG DPF and an can not make sense of the data.
I will attach a snipet od the log and a few images of that too. What is noticed: First the "soot mass calc (g)" has gone from 9.64 g to 16.17g in just 309 km since I had the DPF cleaned and started monitoring with VAG DPF. Its also like 67 % full now acording to the bar in the app. The temperatures never went above 390 Celsius on my runs so I figure if passive regen was running it did not registerand the calculated soot mas never decresed. Also the sensor readout on soot measured is -12g. I don't understand how this can be a negative value. Also the differential pressure sometimes has a negative value but mostly hovers around 7 hPA (max being 15 hpa.
Can anyone help me with interpreting the data. Is this ok ? Any idea why the Engine light gets triggered and why I am not seeing the car do any regen.
Here a snipped of log data form when I was doing the 200 km test run:
Code: Select all
Save date(yyyy-MM-dd HH:mm:ss): 2021-08-02 16:17:13 / Application Release: VAG DPF v.3.18.8 / Log Format: 1.3
Time (ms) Soot Mass Calc. (g) Regen. Duration (min) Distance Since Last Regen. (km) Time Since Last Regen. (min) Oil Ash Residue (g) High Press. EGR Closing (%) DPF Input Gas Temp. (°C) DPF Output Gas Temp. (°C) Soot Mass Measured (g) Post injection 2 (mg/str) Post injection 3 (mg/str) Differential Pressure (hPa) Distance driven (km)
1627933897852 15.89 0 597 548 0.1 73 330 260 -12.00 0.00 0.00 3 182327
1627933900098 15.89 0 597 548 0.1 72 330 261 -12.00 0.00 0.00 5 182327
1627933902361 15.89 0 597 548 0.1 71 330 261 -12.00 0.00 0.00 5 182327
1627933904639 15.89 0 597 548 0.1 70 330 261 -12.00 0.00 0.00 5 182327
1627933906837 15.89 0 597 548 0.1 71 329 263 -12.00 0.00 0.00 6 182327
1627933909047 15.89 0 597 548 0.1 72 328 263 -12.00 0.00 0.00 6 182327
1627933911314 15.89 0 597 548 0.1 72 327 263 -12.00 0.00 0.00 6 182328
1627933913559 15.89 0 597 548 0.1 74 326 265 -12.00 0.00 0.00 6 182328
1627933915857 15.89 0 597 548 0.1 77 324 265 -12.00 0.00 0.00 3 182328
1627933918075 15.89 0 597 548 0.1 87 321 267 -12.00 0.00 0.00 2 182328
1627933920327 15.89 0 597 548 0.1 89 318 269 -12.00 0.00 0.00 3 182328
1627933922496 15.89 0 597 548 0.1 100 314 270 -12.00 0.00 0.00 6 182328
1627933924791 15.89 0 598 548 0.1 100 308 272 -12.00 0.00 0.00 10 182328
1627933927033 15.89 0 598 548 0.1 100 303 276 -12.00 0.00 0.00 12 182328
1627933929240 15.90 0 598 548 0.1 100 297 278 -12.00 0.00 0.00 12 182328
1627933931485 15.90 0 598 548 0.1 100 291 281 -12.00 0.00 0.00 11 182328
1627933933688 15.90 0 598 548 0.1 100 287 283 -12.00 0.00 0.00 12 182328
1627933935998 15.91 0 598 548 0.1 100 285 285 -12.00 0.00 0.00 11 182328
1627933938172 15.91 0 598 548 0.1 100 284 287 -12.00 0.00 0.00 11 182328
1627933940512 15.91 0 598 548 0.1 100 285 289 -12.00 0.00 0.00 10 182328
1627933942715 15.91 0 598 548 0.1 100 287 290 -12.00 0.00 0.00 10 182328
1627933945008 15.91 0 598 548 0.1 100 291 291 -12.00 0.00 0.00 10 182328
1627933947316 15.92 0 598 548 0.1 100 296 291 -12.00 0.00 0.00 10 182329
1627933949621 15.92 0 598 549 0.1 100 301 290 -12.00 0.00 0.00 11 182329
1627933951971 15.92 0 598 549 0.1 100 307 289 -12.00 0.00 0.00 10 182329
1627933954166 15.92 0 598 549 0.1 100 312 289 -12.00 0.00 0.00 11 182329
1627933956455 15.93 0 598 549 0.1 100 317 288 -12.00 0.00 0.00 10 182329
1627933958687 15.93 0 598 549 0.1 100 321 287 -12.00 0.00 0.00 10 182329
1627933961020 15.93 0 599 549 0.1 100 325 286 -12.00 0.00 0.00 10 182329
1627933963257 15.93 0 599 549 0.1 100 327 285 -12.00 0.00 0.00 8 182329
1627933965516 15.94 0 599 549 0.1 100 330 283 -12.00 0.00 0.00 7 182329
1627933967721 15.94 0 599 549 0.1 100 333 282 -12.00 0.00 0.00 6 182329
1627933969952 15.94 0 599 549 0.1 88 334 280 -12.00 0.00 0.00 5 182329
1627933972383 15.94 0 599 549 0.1 87 336 279 -12.00 0.00 0.00 4 182329
1627933974632 15.94 0 599 549 0.1 86 338 278 -12.00 0.00 0.00 3 182329
1627933977036 15.94 0 599 549 0.1 79 338 278 -12.00 0.00 0.00 3 182329
1627933979304 15.94 0 599 549 0.1 72 339 277 -12.00 0.00 0.00 3 182329
1627933981597 15.94 0 599 549 0.1 71 340 276 -12.00 0.00 0.00 5 182329
1627933983846 15.94 0 599 549 0.1 71 340 276 -12.00 0.00 0.00 5 182330
1627933986160 15.94 0 599 549 0.1 69 339 275 -12.00 0.00 0.00 4 182330
1627933988442 15.94 0 599 549 0.1 69 339 275 -12.00 0.00 0.00 1 182330
1627933990692 15.94 0 599 549 0.1 69 338 275 -12.00 0.00 0.00 2 182330
1627933992934 15.94 0 599 549 0.1 70 337 274 -12.00 0.00 0.00 3 182330
1627933995192 15.94 0 599 549 0.1 70 335 275 -12.00 0.00 0.00 3 182330
1627933997490 15.94 0 600 549 0.1 73 334 275 -12.00 0.00 0.00 4 182330
1627933999656 15.94 0 600 549 0.1 74 332 275 -12.00 0.00 0.00 6 182330
1627934001969 15.94 0 600 549 0.1 76 329 276 -12.00 0.00 0.00 7 182330
1627934004189 15.94 0 600 549 0.1 72 326 276 -12.00 0.00 0.00 6 182330
1627934006450 15.94 0 600 549 0.1 73 322 276 -12.00 0.00 0.00 4 182330
1627934008645 15.94 0 600 550 0.1 74 319 278 -12.00 0.00 0.00 3 182330
1627934010878 15.94 0 600 550 0.1 76 314 278 -12.00 0.00 0.00 1 182330
1627934013098 15.94 0 600 550 0.1 87 308 279 -12.00 0.00 0.00 1 182330
1627934015359 15.94 0 600 550 0.1 83 301 280 -12.00 0.00 0.00 2 182330
1627934017695 15.94 0 600 550 0.1 82 295 282 -12.00 0.00 0.00 2 182330
1627934019902 15.94 0 600 550 0.1 83 288 283 -12.00 0.00 0.00 1 182331
1627934022242 15.94 0 600 550 0.1 87 282 284 -12.00 0.00 0.00 3 182331
1627934024396 15.94 0 600 550 0.1 88 276 285 -12.00 0.00 0.00 3 182331
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1627934040248 15.95 0 601 550 0.1 87 259 288 -12.00 0.00 0.00 3 182331
1627934042515 15.95 0 601 550 0.1 88 260 288 -12.00 0.00 0.00 3 182331
1627934044739 15.95 0 601 550 0.1 87 261 288 -12.00 0.00 0.00 7 182331
1627934047025 15.96 0 601 550 0.1 100 261 288 -12.00 17.50 0.00 8 182331
1627934049274 15.96 0 601 550 0.1 100 263 289 -12.00 17.75 0.00 8 182331
1627934051487 15.96 0 601 550 0.1 100 266 289 -12.00 0.00 0.00 8 182331
1627934053654 15.97 0 601 550 0.1 85 270 287 -12.00 0.00 0.00 3 182331
1627934055921 15.97 0 601 550 0.1 87 274 286 -12.00 0.00 0.00 2 182332
1627934058133 15.97 0 601 550 0.1 86 278 285 -12.00 0.00 0.00 4 182332
1627934060411 15.97 0 601 550 0.1 87 284 283 -12.00 0.00 0.00 4 182332
1627934062725 15.97 0 601 550 0.1 86 290 281 -12.00 0.00 0.00 3 182332
1627934064945 15.97 0 601 550 0.1 87 296 280 -12.00 0.00 0.00 3 182332
1627934067266 15.97 0 601 550 0.1 87 303 278 -12.00 0.00 0.00 3 182332
1627934069474 15.97 0 602 551 0.1 87 311 276 -12.00 0.00 0.00 3 182332
1627934071693 15.97 0 602 551 0.1 88 317 274 -12.00 0.00 0.00 3 182332
1627934073992 15.97 0 602 551 0.1 87 322 272 -12.00 0.00 0.00 3 182332
1627934076253 15.98 0 602 551 0.1 87 326 271 -12.00 0.00 0.00 3 182332
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1627934080716 15.98 0 602 551 0.1 87 330 268 -12.00 0.00 0.00 3 182332
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1627934085350 15.98 0 602 551 0.1 87 327 266 -12.00 0.00 0.00 3 182332
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1627934089851 15.98 0 602 551 0.1 87 322 264 -12.00 0.00 0.00 3 182332
1627934094902 15.98 0 602 551 0.1
1627934120976 15.99 0 603 551 0.1 89 291 270 -12.00 0.00 0.00 4 182333
1627934123219 15.99 0 603 551 0.1 89 290 272 -12.00 0.00 0.00 5 182333
1627934125489 16.00 0 603 551 0.1 89 289 272 -12.00 0.00 0.00 5 182333
1627934127713 16.00 0 603 551 0.1 89 289 274 -12.00 0.00 0.00 5 182333
1627934129916 16.00 0 603 552 0.1 89 288 275 -12.00 0.00 0.00 5 182334
1627934132122 16.00 0 603 552 0.1 100 288 276 -12.00 0.00 0.00 6 182334
1627934134465 16.00 0 603 552 0.1 100 287 276 -12.00 0.00 0.00 6 182334
1627934136699 16.00 0 603 552 0.1 100 288 277 -12.00 0.00 0.00 8 182334
1627934138985 16.00 0 603 552 0.1 100 288 278 -12.00 0.00 0.00 7 182334
1627934141171 16.00 0 603 552 0.1 100 289 278 -12.00 0.00 0.00 7 182334
1627934143406 16.01 0 604 552 0.1 100 289 278 -12.00 0.00 0.00 7 182334
1627934145535 16.01 0 604 552 0.1 100 290 278 -12.00 0.00 0.00 8 182334
1627934147839 16.01 0 604 552 0.1 100 291 277 -12.00 0.00 0.00 7 182334
1627934149962 16.01 0 604 552 0.1 100 292 277 -12.00 0.00 0.00 7 182334
1627934152196 16.01 0 604 552 0.1 100 293 276 -12.00 0.00 0.00 7 182334
1627934154400 16.01 0 604 552 0.1 100 295 276 -12.00 0.00 0.00 7 182334
1627934156575 16.01 0 604 552 0.1 100 296 276 -12.00 0.00 0.00 7 182334
1627934158819 16.01 0 604 552 0.1 100 298 275 -12.00 0.00 0.00 7 182334
1627934174751 16.02 0 604 552 0.1 89 308 271 -12.00 0.00 0.00 5 182335
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1627934211015 16.03 0 605 553 0.1 87 300 272 -12.00 0.00 0.00 3 182336
1627934213382 16.04 0 605 553 0.1 87 298 272 -12.00 0.00 0.00 3 182336
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1627934244938 16.05 0 606 553 0.1 100 288 274 -12.00 0.00 0.00 8 182337
1627934247253 16.05 0 606 553 0.1 100 288 274 -12.00 18.72 0.00 9 182337
1627934249534 16.05 0 606 554 0.1 100 289 276 -12.00 18.10 0.00 9 182337
1627934251750 16.06 0 607 554 0.1 100 291 276 -12.00 0.00 0.00 10 182337
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1627934256176 16.06 0 607 554 0.1 88 297 274 -12.00 0.00 0.00 4 182337
1627934261048 16.06 0 607 554 0.1
1627934387876 16.11 0 610 556 0.1 100 246 278 -12.00 0.00 0.00 4 182340
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1627934394594 16.11 0 610 556 0.1 100 249 275 -12.00 0.00 0.00 4 182340
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1627934401373 16.12 0 610 556 0.1 100 253 272 -12.00 0.00 0.00 4 182341
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1627934476263 16.15 0 612 557 0.1 100 270 238 -12.00 4.83 0.00 6 182342
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1627934485337 16.17 0 612 557 0.1 100 268 241 -12.00 0.00 0.00 7 182342
1627934487569 16.17 0 612 557 0.1 100 269 241 -12.00 0.00 0.00 4 182342