Another desperate owner with DPF issues

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Ian.g
Posts: 926
Joined: Sat Jul 23, 2016 8:04 pm
Location: Worcestershire

Re: Another desperate owner with DPF issues

Post by Ian.g » Tue Jul 10, 2018 7:57 pm

Guy wrote:
Tue Jul 10, 2018 7:43 pm
^ Or just go on a long trip every other weekend. Drive a couple of hours on some good roads to a nice hotel, have a nice meal, do some sightseeing. Maybe go abroad. Spend £200-300 on each trip and after a year re-evaluate whether you'd have been better off swapping your SD for a £7k 'loss' and staying at home :D
Well that is one solution!

My take on this is that some DPFs are manufactured faulty. Comparing my driving to the OP, I should be having trouble with my DPF and you probably shouldn't. That applies to others who have had trouble as well. The DPFs are made in such a way to trap soot and I suspect some of them don't have enough patent channels to allow free flowing of exhaust through the filter. So a minimal amount of soot loading causes trouble. Maybe I am barking up the wrong tree here, but some owners do seem to have a disproportionate amount of trouble.


mark-yorkshire
Posts: 2423
Joined: Thu Jan 23, 2014 8:34 pm

Re: Another desperate owner with DPF issues

Post by mark-yorkshire » Tue Jul 10, 2018 8:07 pm

Ian.g wrote:
Tue Jul 10, 2018 7:57 pm
Guy wrote:
Tue Jul 10, 2018 7:43 pm
^ Or just go on a long trip every other weekend. Drive a couple of hours on some good roads to a nice hotel, have a nice meal, do some sightseeing. Maybe go abroad. Spend £200-300 on each trip and after a year re-evaluate whether you'd have been better off swapping your SD for a £7k 'loss' and staying at home :D
Well that is one solution!

My take on this is that some DPFs are manufactured faulty. Comparing my driving to the OP, I should be having trouble with my DPF and you probably shouldn't. That applies to others who have had trouble as well. The DPFs are made in such a way to trap soot and I suspect some of them don't have enough patent channels to allow free flowing of exhaust through the filter. So a minimal amount of soot loading causes trouble. Maybe I am barking up the wrong tree here, but some owners do seem to have a disproportionate amount of trouble.
I think you are correct. The number of forum members that have had serious issues have been fairly limited. It’s noteworthy that issues started after the software was “upgraded” in early/mid 2017.
2018. Macan SD Volcano Grey
2015 . Macan SD . Agate grey. Sold at 23,000 miles.
2014. Macan SD . Jet black. Sold at 8,000 miles.
2012. 981 Boxster PDK . Agate grey. Sold
2010. 987.2 Cayman PDK. Aqua blue. Sold.


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Tom 2000
Posts: 630
Joined: Sat Aug 19, 2017 7:23 am
Location: Norn Iron

Re: Another desperate owner with DPF issues

Post by Tom 2000 » Tue Jul 10, 2018 9:44 pm

Ian.g wrote:
Tue Jul 10, 2018 7:57 pm
Guy wrote:
Tue Jul 10, 2018 7:43 pm
^ Or just go on a long trip every other weekend. Drive a couple of hours on some good roads to a nice hotel, have a nice meal, do some sightseeing. Maybe go abroad. Spend £200-300 on each trip and after a year re-evaluate whether you'd have been better off swapping your SD for a £7k 'loss' and staying at home :D
Well that is one solution!

My take on this is that some DPFs are manufactured faulty. Comparing my driving to the OP, I should be having trouble with my DPF and you probably shouldn't. That applies to others who have had trouble as well. The DPFs are made in such a way to trap soot and I suspect some of them don't have enough patent channels to allow free flowing of exhaust through the filter. So a minimal amount of soot loading causes trouble. Maybe I am barking up the wrong tree here, but some owners do seem to have a disproportionate amount of trouble.
It could be the sensors misreading the soot level.
Macan SD Vocano Grey. LEDs, Pano Roof, PSE, Sports Chrono, PASM, Sports Design Mirrors, 21" Sports Classics in Black, lots of other extras.
http://www.porsche-code.com/PJ2XHAR5 for the day that this works again.


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Ian.g
Posts: 926
Joined: Sat Jul 23, 2016 8:04 pm
Location: Worcestershire

Re: Another desperate owner with DPF issues

Post by Ian.g » Tue Jul 10, 2018 10:08 pm

Tom 2000 wrote:
Tue Jul 10, 2018 9:44 pm
Ian.g wrote:
Tue Jul 10, 2018 7:57 pm
Guy wrote:
Tue Jul 10, 2018 7:43 pm
^ Or just go on a long trip every other weekend. Drive a couple of hours on some good roads to a nice hotel, have a nice meal, do some sightseeing. Maybe go abroad. Spend £200-300 on each trip and after a year re-evaluate whether you'd have been better off swapping your SD for a £7k 'loss' and staying at home :D
Well that is one solution!

My take on this is that some DPFs are manufactured faulty. Comparing my driving to the OP, I should be having trouble with my DPF and you probably shouldn't. That applies to others who have had trouble as well. The DPFs are made in such a way to trap soot and I suspect some of them don't have enough patent channels to allow free flowing of exhaust through the filter. So a minimal amount of soot loading causes trouble. Maybe I am barking up the wrong tree here, but some owners do seem to have a disproportionate amount of trouble.
It could be the sensors misreading the soot level.
Could be. Either way, I think some of them have a fault somewhere when manufactured. Would probably be solved by changing the DPF and sensors - but that would mean admitting that there is a fault. So unlikely to happen I suspect.


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Hawkeye
Posts: 1791
Joined: Tue Jun 14, 2016 10:20 am

Re: Another desperate owner with DPF issues

Post by Hawkeye » Wed Jul 11, 2018 12:26 pm

I did 7k miles in my SD in 15 months and mostly in London traffic and short journeys interspersed with long trips in the U.K. and abroad. Thankfully, no DPF issues at all.

I lost nearly £20k selling my car, so for £7k, I’d bite their hand off and get yourself into a face-lifted petrol model if you want to remain in a Macan.


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No longer part of the Porsche Family. Now enjoying a Giulia Quadrifoglio.
Macan S Diesel delivered Oct 6th. http://www.porsche-code.com/PHI3WP95. Sold March 2018.


Col Lamb
Posts: 6232
Joined: Fri Oct 30, 2015 8:38 pm
Location: Lancashire

Re: Another desperate owner with DPF issues

Post by Col Lamb » Wed Jul 11, 2018 8:34 pm

Over the last couple of years the instances of DOF issues have not been insignificant.

Yes it seems short journeys are a contributing factor, but it does seem a random occurance, some suffer many do not.

Only a potential SD buyer can weigh up the risk to them.

Those owners with DPF problems are no doubt exasperated that their Macan is one of those where there will always be doubt about the next limp home mode occurance.
Col
Macan Turbo, Met Blk, Spyders, Air, ACC, Pano, Garnet, SurCam, 14w, LEDs, PS+, Int Light Pack, Heated seats and Steering, SC, Privacy glass, PDK gear, SD mirrors, Spare Wheel plus a few other goodies.
Prior Macan SD similar spec to Turbo


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