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vRS DPF probs; PD vs CR

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I know there are other threads on here discussing DPF-related problems so I don't want to flog the proverbial dead horse, but.......how common are these regen issues with the newer CR-powered vRS diesels?

No too long ago I was seriously considering a vRS estate as my first foray into Skoda ownership but after doing some research on here I've become paranoid about these "problems" and am now considering alternative non-DPF-equipped Octavias.

Since DPF-CRs are surely the way-of-the-future for diesels (?), shouldn't this now be a reliable, relatively troublefree technology?

I certainly don't intend using the car to simply potter around town but I would like to keep it for a long time and don't want the hassle of dealing with a car that's frequently throwing codes and going into limp mode at inopportune moments.

Am I fretting over nothing :confused:. I'd hate to rule out a CR vRS for the wrong reason.

Cheers,

Bill.

I have my RS CR since August and its been remapped just over 3 months no and I haven't had one issue with the DPF. The car has now covered 20k kms. Long may it last :-)

Pumpe Deuse doesn't ideally lend itself to DPF technology and its one of the main reasons VW have jumped ship and adopted CR technology. PD was (and still is IMO) for a long time the superior of the two systems but unfortunately time and ever tightening environmental constraints have caught up with it.

Shame really, i've loved all of my PD engines, even the current one that doesn't like to start very often :o

Its also worth noting the' updated' PD170 engine with the DPF is proving to be much more reliable, the 26E6 campaign involved an updated ECU map and a revised exhaust pressure sensor to reduce the chances of the DPF becoming saturated with soot.

DPF problems with my VRS TDI (PD) both before and after recall both involving car going into reduced power (get home) mode. Dealt with by Skoda assistance and Horton Skoda LIncoln. On second occaision told by mechanic that even steady running at 50/60mph at low revs can sometimes result in build up of deposits as exhaust system not hot enough to burn them off. Hope this is useful

Cheers

Iain

Had my PD170 for nearly 18 months before I sold it. Never had any problem with mine, the light never came on! I think I covered about 25,000 miles in the time too.

I've only had mine for 5 months but the first few months I only drove it about 2 miles a day. It was cold, stop start driving as well. Even then i never saw the DPF light go on. I guess the 26E6 map and pressure sensor upgrade has made a difference.

I've now driven about 3,500 miles in my VRS CR and no sign of a DPF warning light.

My regular journey to work (sometimes twice a day) is only about 6 miles each way - I guess about half of that in 30/40 zones - but, in all fairness, this is a very rural area, so no sitting in traffic queues. Another factor might be that I have the DSG box, which I notice frequently holds the car in a lower gear when cruising in a 30/40 zone than I might have chosen driving a manual, so this might help, given that it's being held at optimal revs?

Go for it!

Running on PD170 from one year. More than 60000Km and never had issues (finger crossed).

It depends on how fast are roads you're driving and how much highway. I happily drive a mix of 60/30 highway/urban.

HTH

  • Author
I've now driven about 3,500 miles in my VRS CR and no sign of a DPF warning light.

My regular journey to work (sometimes twice a day) is only about 6 miles each way - I guess about half of that in 30/40 zones - but, in all fairness, this is a very rural area, so no sitting in traffic queues. Another factor might be that I have the DSG box, which I notice frequently holds the car in a lower gear when cruising in a 30/40 zone than I might have chosen driving a manual, so this might help, given that it's being held at optimal revs?

Go for it!

For me, it would be a CR with DSG too. I was wondering how this transmission would affect things since I'd read in another thread here that you need to run the car slightly "rich" (higher gear than normal at lower speeds) so that the excess fuel burns off the soot in the exhaust to regenerate the DPF. I'm certainly not a tech wizard so I may have gotten this all ar*e-about-t*t?

Anyway, nice to hear some positive, encouraging replies from vRS owners. Keep 'em coming (the good and the bad).

Cheers,

Bill.

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