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They are bad folks ... Wrong sparks used, Bosch FR7ldc+ (NGK BKR6EK) instead of Bosch F5KPP332SBN (NGK PFR7S8EG) ... According this photo loss of compression happened on cylinder 2 and not 4 as they said ... Are you sure the engine did not drink oil over the alloved limit? Melted exhaust valve on cyl2 says something different, oil thirsty beast ... "Oil consumption wasn't too bad ,around a litre for a thousand miles" says everything, a bit over or just on the limit (up to 0,5 litre for 624 miles/1000km) for long time does what it has done.

https://car-recalls.eu/official-vw-skoda-and-seat-recall-for-some-bouncing-1-5-tsi-engines/ same info as in source link posted above

https://www.kfz-rueckrufe.de/vw-seat-und-skoda-rueckruf-wegen-anfahrschwaeche/6785/ https://translate.google.co.uk/translate?sl=auto&tl=en&u=https%3A%2F%2Fwww.kfz-rueckrufe.de%2Fvw-seat-und-skoda-rueckruf-wegen-anfahrschwaeche%2F6785%2F This is only a part of the whole issue with 1.5TSI DADA 110kW engine ... If you do not have any friendly dealer nearby you who could look at ELSA PRO information system for you, you can check yourself all available TPI released for your VIN at erWin for few € https://erwin.skoda-auto.cz/erwin/showHome.do https://erwin.skoda-auto.cz/erwin/showInfoTour.do https://erwin.skoda-auto.cz/erwin/showOrderFlatrate.do

The xls list only show complete overview of data files which are released for each brand. Does not mean all are the latest ones, so you can notice, some ECU have more then one SW version available, other just one, usually the latest one but it could be too the same what is already applied in the car on the production line few months ago. What is currious, same ECUs used abroad the VAG brands, but currently Skoda seems to be the first one to test all the healing updates ... Why is it, are the Czechs the best ones, or are they and their customers the laboratory mice ... 😆 BTW. http://wiki.ross-tech.com/wiki/index.php/Retrofitting#Software_Version_Management_.28SVM.29

@Poul TPI was up to date at the moment of its release, see table of currently available updates 😉 For 05E906018AL is already version 9692 available, but dealers will wait for TPI update ... @dnzbdr Audi has released no updates so far for A, you have bought bad brand car ... 😜 SVM stay for Software Versions Management.

@dnzbdr in general yes, but 4x4 versions have different ones @Janner74 if you ask about Karoq, so yes, currently only Skoda have available update version 05E906018P_9752 for your Karoq without OPF, likely first test drivers for VAG group ... @kifir It is usual that new firmware update changes the hardware version too, so trust them, your ECU is SW updated and its HW number was changed too, from A to BH suffix.

@kifir Well, it seems that update for ECU 05E906018 BH was used indicating the version 9622, but ECU itself seems to be 05E906018 A, but I guess only. Well, they should know what they do and if it´s possible to use that update. But it is usual that new firmware update changes the hardware version too ECU 05E906018A was used until 1.10.2018 with code PR-7MV which means Emission standard EU6 ZD/E/F ECU 05E906018BH was used from 1.10.2018 with the same emission homologation Emission standard EU6 ZD/E/F, so still without OPF ... First Octavias with OPF had ECU 05E906018AL, from 30.7.2018 till 8.7.2019, code PR-7CS, which means Emission standard EU6 BG/H/I and actualy from 8.7.2019 Octavias have ECU 05E906018AS, code PR-4BF, which means Emission standard EU6 DG all version still same engine code DADA, so 1.5 TSI 110kW, only at Octavia III ...

Engine ECU is mounted at engine bay, unfortunately under protective cover with non removable shear bolts, so you can not see the numbers printed on its label. So the only easy way how to find out what ECU you have there is to use the diagnostics as even VAG ETKA catalogue can give wrong results...

@kifir Do you know what Engine Control Unit you have in your MY2018 Octavia III? Did you get any paperwork from the dealer or do you know what software version was applied? Octavia MY 2018 should have ECU number 05E906018A, for such no new update version than 6019 was released so far, so would be interesting to know what do you have in your Octy. List of updates available for DADA and DACA 1.5 TSI Engines, in Karoq used ECUs 05E906018 ending P or R or S or AT, same as for VW T-Roc and Seat Ateca (no data guarantee )

Skoda latest answer for all Karoqs, all Skoda dealers should know more longer than a week ... MY 2018 without OPF, manual and DSG, front wheel drive FL_05E906018P_9752__V001.frf MY 2019 with OPF, manual and DSG, front wheel drive FL_05E906018R_9832__V001.frf MY 2019 with OPF, DSG, four wheel drive FL_05E906018S_9757__V001.frf

That is the exact driving in the overrun mode

Get your left foot and leg checked at your MD. orthopedic 2.0 TDI is absolutely different powertrain in comparison to 1.5 TSI

All new VAG cars and not just them have the new "green" energy management system, which utilise brake energy recuperation ... This stay behind the flat batteries left at 12V and lower state ... It is based on Start-Stop system, but it can not be switched off by the switch as Start-Stop. Pulling the connector from unit J367 out can do the trick for both systems Energy management.pdf

we live in the plastics age ... https://translate.google.co.uk/translate?sl=auto&tl=en&u=https%3A%2F%2Fforum.skodahome.cz%2Ftopic%2F144797-predne-led-svetla-popraskane-okraje%2F

Well, because of EU6 DG emissions standard, mandatory from 01.09.2019, new ECUs and therefore software will be introduced to other VAG cars too, all will have 4BF as for PR code of equipment. I wonder if they had enough time to test it all more than for WLTP and RDE test requirements ... That all begins on production lines from 8th July 2019, new ECUs are Karoq 05E906018 AT Kodiaq 05E906018 BC SupIII 1.5 TSI ends to 8.7.2019 at Superb OIII already mentioned in post above 05E906018 AS 05E906018 CD for CNG fuel Scala 05E906018 AQ

So I see now Skoda as first VAG brand released update for 05E906018 BH, software version 9622, on data source from 2nd July ... This is first update for Octavia III with Emission standard EU6 ZD/E/F manufactured since 1st October 2018, MY2019 and for sure without OPF filter, PR code 7MV. Do not forget ECU with suffix A used at cars till 1st October 2018 without OPF, Emission standard EU6 ZD/E/F, PR code 7MV. ECU with suffix AL are used from 30.7.2018 till 8.7.2019, Emission standard EU6 AG/H/I and Emission standard EU6 BG/H/I, with OPF filter, PR codes 7CP and 7CS new ECU with suffix AS used from 8.7.2019, Emission standard EU6 DG, PR code 4BF, and PR code 7LS which stay for not clear "Vehicle class differentiation -470-" ... So two new ECU used at Octavia 3 since 8.7.2019, 05E906018 AS and 05E906018 CD for CNG fuel. Manufacturer has lot of work with new emission standards and needed tests so they have for sure not enough time to fix "old" versions now, hard to say why new update 9622 released for BH now ...

Well, it seems so, no update for MY 2018 engine ECUs available so far, for MY 2019 just few of them got the update, nothing for OIII at all. See list of latest software versions Nr. 74xx and asocciated engine ECU on link below, flash updates data source from 18th June 2019 for DADA and DACA engines, ECU family 05E 906 018 ... Those 74xx are available already from 19th March 2019, nothing new released till today ... https://vag-flashinfo.de/index.php?partno=05E906018&as= Karoq 05E906018 P 05E906018 R 05E906018 S Kodiaq 05E906018 AF SupIII 05E906018 C OIII 05E906018 A 05E906018 BH 05E906018 AL 05E906018 L Scala 05E906018 AB Seat Ateca 05E906018 R 05E906018 S Seat Arona 05E906018 J Seat Ibiza 05E906018 D 05E906018 AB Seat Leon 05E906018 AL 05E906018 AK Seat Tarraco 05E906018 AF

EA888 1.8TSI, engine CDAB, 112kW, mileage +200 000km oil consumption 1 liter per 200km ...

No, it is German means engine code, only three letters even when fourth one is used ... https://de.wikipedia.org/wiki/Motorkennbuchstaben https://translate.google.co.uk/translate?sl=de&tl=en&u=https%3A%2F%2Fde.wikipedia.org%2Fwiki%2FMotorkennbuchstaben

That's typical cat&mice game and guess what role you play in there ... TPI 2050744 and its version 2050744/8 with published updates versions is solving kangarooing TPI 2053902/1 is solving dying of the engine Updates they released were related to both TPI according erWin ... German Kodiaq forum

All thoughts the problems of kangarooing and loss of drive/no reaction on accelerator could be caused by any hardware are false ... As this is topic under Karoq, I will not point out again anything related to other cars from VAG except those two, which share same engine ECU as Karoq does. Those two are VW T-Roc and Seat Ateca. According VAG parts catalogue Karoq use engine ECU 05E906018 P till 30.7.2018 (cars without OPF / GPF filters, manual or DSG, front wheel drive) 05E906018 R from 30.7.2018 (cars with OPF / GPF filters, manual or DSG, front wheel drive) 05E906018 S from 26.11.2018 (cars with OPF / GPF filters, DSG with 4x4 wheel drive) T-Roc use engine ECU 05E906018 P no more details published 05E906018 R no more details published 05E906018 S no more details published Ateca use engine ECU 05E906018 R (manual or DSG, front wheel drive) 05E906018 S ( DSG with 4x4 wheel drive) it is obvious Skoda has their parts at ETKA most detailed. VAG informed the both mentioned issues are only minor ones and should be solved by software update of engine ECU. So, without a need to log in erWin to download latest files of update release, you can check how VAG manages their software update releases and which brand at VAG does what here... https://vag-flashinfo.de/index.php?partno=05E906018&as= This is confirmed by Skoda TPI 2050744/8, its just currious VW still does not apply update for the most problematic 05E906018 R at T-Roc, file version 7421__V001 available only for Skoda and Seat may be as test brands ... Update likely not working 100% on Karoq as one user desribes here on Briskoda forum ... https://www.briskoda.net/forums/topic/446820-15-sel-first-gear-issue/?do=findComment&comment=5236686

PCV buy just the original one, made by Hengst, PN 06H103495AH. Concerning intake manifold, check first if the actuating lever is not popped out, all is in TPI • Remove the engine cover according to the repair manual. • Move the carrier plate by hand in axial direction on the shaft (illustration 2, red arrow) and check whether the carrier plate can be pulled out. • If the carrier plate can be pulled out, the riveting is incorrect and the intake manifold must be replaced according to the repair manual • If the riveting is correct, check the diagnostic limits of the flap with the VAS diagnostic tester => Guided function => drive => self-diagnosis systems => engine control unit => function => read measured values => engine => measured values selection => current position of intake manifold flap (142/1) and required position of intake manifold flap (142/2). • If the adaptation is not successful, the flap is worn internally and the intake manifold must be replaced according to the repair manual If not, manifold must be taken off and checked including the G336 sensor, which might be the issue too, as flaps can move OK and the sensor does not sense it ...

Well, if PCV sucks through the tiny hole, you need new one for sure, main diaphragm KO is ... P2004 is related to intake manifold flaps positioning, either its vacuum actuator, lever, G336 possition sensor or flaps itself are broken, this can´t be because of bad PCV ... Just check according the TPI 2025038_4 attached.

P2004 has nothing to do with PCV/fine oil separator. But it does not mean the PCV/fine oil separator unit can´t be bad too, usually teared main diaphragm inside it ... http://wiki.ross-tech.com/wiki/index.php/18436/P2004/008196 Possible Causes Vacuum leak Faulty Intake Manifold Runner Position Sensor1 (G336) Intake Manifold Runner binding or sticking Technical product information 2025038_4.pdf concerning PCV A faulty PCV valve will allow pressurized intake air back into the valve cover/crankcase. This pressurized air can blow out of several openings. The oil filler cap, air filter and dipstick should first be checked for evidence of oil blow out. • With the engine OFF, remove the engine cover and locate the hose connecting the intake manifold to the crankcase. Disconnect the hose from the intake manifold side and clean off any residue with a cloth. Blow into the hose and if there is some air resistance then the check valve is operating correctly. If there is no resistance, then the PCV valve should be replaced. • With the engine running, disconnect the hose from the valve cover. Plug the hose and check idle quality. If the idle quality improves, replace the PCV valve. • With the engine running, remove the dipstick. If the idle quality improves, replace the PCV valve. • Remove the cap from the oil filler hole on the valve cover. Place a stiff piece of paper over the opening. The paper should be sucked against the hole within a couple of seconds if the PCV is operating properly. https://www.shopdap.com/blog/post/replacement-diy-for-vw-2-0t-pcv-valve-06h103495ac.html

Well, if it is not 4x4, it must have engine ECU number 05E906018R, software version 5684 or 6090, and for it is available update already from 13th March 2019, version 7421 ... https://www.briskoda.net/forums/topic/446820-15-sel-first-gear-issue/?do=findComment&comment=5236686 just to show how the update file looks like FL_05E906018R_7421__V001.frf taken from the source data Flashdaten_Skoda_20190430_xKDcj.zip FL_05E906018R_7421__V001.frf