Member Since: 16 Aug 2012
Location: Cheshire
Posts: 83
DPF Issues
Is it possible to have issues with the DPF being full/ blocked/ Dirty and the engine warning/ DPF warning to not trigger on a 2011 D4?
Had issues with the Turbos (Long, expensive story) and a couple of people (Obviously experts!) are telling me its the DPF causing issues......... the car has done 142k miles and a lot of my journeys are short so not the best for DPF health but it has never flagged any DPF warning lights and no black smoke etc out the back of the car.
I'll freely admit that I am slightly neurotic about this car now so any reassurances (Or not) would be appreciated!!
21st Jul 2023 12:40 pm
DrRobH
Member Since: 10 Oct 2015
Location: Hampshire
Posts: 927
Take it to Henshall Engineering. They know their beans. Sorted out a family member's DPF issue. Basically reset the brain and it's worked perfectly.
Short journeys and DPFs are to be avoided though tbh Visitor from fullfatrr.com
RR Vogue SE 2011 4.4 TDV8
1974 Lightweight
21st Jul 2023 3:06 pm
urhunden
Member Since: 15 Jan 2010
Location: Stockholm
Posts: 817
What were your problems with the turbos?
I am also having a long going problem with excessive oil consumption.Oil getting into the intercooler.
No fault codes, no smoke. No expert seems to know what to do. A lot of parts changed. But still the same.
Engine was renovated by Oval.Discovery 4, MY2011, TDV6 Auto
Discovery 4, MY2013, SDV6 Auto
23rd Jul 2023 11:32 am
Mastertech
Member Since: 13 Apr 2014
Location: North East
Posts: 132
The pipes that are attached to the sensor that monitors DPF pressure, which the ECU uses to calculate percentage full, could be blocked by soot.
Do you have any type of scan tool that can read measured values?
As for oil getting into the intercooler, have you checked the PCV system and the crank case pressure? Both are interlinked and could cause oil in the intercooler, either from the crank case gasses or turbo seals leaking. You could try fitting an oil catch can between the PCV and the intake hose to see how much oil is coming from the crankcase gasses.
Just to note, a small amount of oil in the intercooler is normal due to the PCV being plumbed into the intake but fitting a Mann provent 200 into the pipe work and having it drain into a bottle would stop this. (Assuming PCV is the only cause)
25th Jul 2023 8:10 am
urhunden
Member Since: 15 Jan 2010
Location: Stockholm
Posts: 817
Dear Mastertech.
I have tried to understand the crank case ventilation system on the D4 3.0 ltr engine.
Old engines were much simpler.
Think my oil consumption ha to do with too high pressure.
You are mentioning PCV. Please explain. Where is it?
Hoe can I measure crank case pressure. With GAP IID?
What is a Mann provent 200? And where to fit it. My motor takes 1ltr oil every 3500 kms.
Have exchange CSOV, oil catcher, 2nd turbo. 2nd turbo oil drain is the short version.
Can I call you?Discovery 4, MY2011, TDV6 Auto
Discovery 4, MY2013, SDV6 Auto
25th Jul 2023 12:55 pm
Mastertech
Member Since: 13 Apr 2014
Location: North East
Posts: 132
I’ve replied to your other thread to keep this one on topic.
25th Jul 2023 1:47 pm
limaluk
Member Since: 13 Apr 2017
Location: Newcastle
Posts: 17
turbo-DPF blocked
I have a question about the leaking second turbo and blocked DPF. Disco4 2013, 170k. Both turbos were regenerated and reinstalled. After half a year (4k miles, mainly highways) the second turbo started leaking. After diagnosing the leaking second turbo, the specialist (who regenerated it) informed me that it is the fault of a blocked DPF (high, excessive pressure travelling through the rear seal and forcing too
much oil into the high pressure turbo making it leak. No signs of a clogged DPF. No information on the dashboard, full power, starting and revs ok, only when accelerating at high speed there was smoke. Is it possible that the DPF is blocked without any warnings or symptoms?
Any suggestions?Land Rover - Turning Drivers into Mechanics Since 1948
Discovery 4 HSE
Discovery 4 XS
Discovery 3 XS
Discovery 3 SE
4th Jul 2024 8:58 pm
Mastertech
Member Since: 13 Apr 2014
Location: North East
Posts: 132
Have you had the secondary turbo drain pipe mod done?
Do you have a scan tool that can read measured values?
If you do what is your soot mass and ash mass. Your ash mass may be getting high at 170k
7th Jul 2024 10:37 am
limaluk
Member Since: 13 Apr 2017
Location: Newcastle
Posts: 17
Yes, drain pipe done. Firs step was turbos out, so body was lifted. No possibility of testing now. DPF removed now. Still same question. Can DPF be blocked without any warnings?Land Rover - Turning Drivers into Mechanics Since 1948
Discovery 4 HSE
Discovery 4 XS
Discovery 3 XS
Discovery 3 SE
8th Jul 2024 11:00 am
Tyty
Member Since: 18 Aug 2022
Location: South West
Posts: 81
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