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sarahhowen01
Member Since: 16 Aug 2012
Location: Cheshire
Posts: 83
  
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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!!
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 21st Jul 2023 1:40 pm |
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DrRobH
Member Since: 10 Oct 2015
Location: Hampshire
Posts: 924
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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
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| 21st Jul 2023 4:06 pm |
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urhunden
Member Since: 15 Jan 2010
Location: Stockholm
Posts: 773
 
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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 3, MY2008, TDV6 Auto, G4 Tangiers Orange
Discovery 4, MY2011, TDV6 Auto
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| 23rd Jul 2023 12:32 pm |
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Mastertech
Member Since: 13 Apr 2014
Location: North East
Posts: 126
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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)
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| 25th Jul 2023 9:10 am |
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urhunden
Member Since: 15 Jan 2010
Location: Stockholm
Posts: 773
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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 3, MY2008, TDV6 Auto, G4 Tangiers Orange
Discovery 4, MY2011, TDV6 Auto
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| 25th Jul 2023 1:55 pm |
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Mastertech
Member Since: 13 Apr 2014
Location: North East
Posts: 126
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I’ve replied to your other thread to keep this one on topic.
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| 25th Jul 2023 2:47 pm |
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