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DPF full - forced regeneration
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marian
 


Member Since: 02 Oct 2016
Location: Lower Austria
Posts: 86

Austria 2008 Discovery 3 TDV6 SE Manual Rimini RedDiscovery 3
DPF full - forced regeneration

Hi,

I had a case of DPF full error on TDV6.
It was permanent, limp mode.
I tried to run forced regeneration using Icarsoft LR II but I did not get past "please wait" which changed to "failed" if I slowed down. As the cat was in limp mode, it was not possible to not slow down (no highway driving in limp mode).

I got the DPF cleaned and car now drives nicely but when I attempted forced regeneration just to make sure that everything works as it should I still do not get past "please wait" and the process fails if I slow down.

How is the forced regeneration working? Should it write something or is the "please wait" all one can see if it is running?
I want to make sure that regeneration is started and I do not end up with full DPF again.  
Post #237977218th Oct 2024 11:00 am
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Sidestick
 


Member Since: 22 Apr 2012
Location: Rome
Posts: 2325

Italy 2008 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Hi Marian,
i suppose that via your icarsoft scanner you are able to see the DPF parameters in the "live data" section.
You should find:
- the % of soot in the DPF
- the mileage since last full and partial regeneration
- the range between 2 regeneration
- the differential pressure inside DPF
- EGRs postition

In order to check when the regen is in progress you have to monitor the catalyst downstream temp over 450°C , more than 550° C of EGT and both EGRs closed (5%)

Click image to enlarge

Click image to enlarge


And these are normal parameters on highway at around 120 km/h
Click image to enlarge
 - Easy-Lift suspension module 4.0
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Post #237979818th Oct 2024 1:41 pm
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marian
 


Member Since: 02 Oct 2016
Location: Lower Austria
Posts: 86

Austria 2008 Discovery 3 TDV6 SE Manual Rimini RedDiscovery 3

Yes, I can monitor live data.
I'll do that.
Thnks for detailed response.  
Post #237982618th Oct 2024 8:20 pm
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