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Swim_Cap



Member Since: 13 Oct 2019
Location: Cumbria
Posts: 17

United Kingdom 2009 Defender 90 Puma 2.4 HT Zermatt Silver
EGR Blanking
Morning all,

Why is it recommended/ important to blank the EGR off when applying the EGR Patch?

The LR in question is a 2.4Tdci.

Thank you.
Post #1007782 16th Sep 2023 7:12am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17323

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
It isn't necessary, however blanking both ends of the EGR cooler can protect the engine in the event that the cooler develops a leak.
Post #1007785 16th Sep 2023 7:46am
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Swim_Cap



Member Since: 13 Oct 2019
Location: Cumbria
Posts: 17

United Kingdom 2009 Defender 90 Puma 2.4 HT Zermatt Silver
Thanks blackwolf - much appreciated.
Post #1007830 16th Sep 2023 1:53pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 1974

United Kingdom 
If you have blanked off it’s input and output is there any reason you would not join the cooler input and output coolant hoses together to completely bypass the cooler ?
Post #1007853 16th Sep 2023 3:39pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17323

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Yes. Firstly it is hard to access on the TDCi, and secondly it makes it extremely obvious that you have illegally tampered with your emissions equipment, which is not helpful at MoT test time nor if you get tugged for a VOSA/Police inspection.

Leave it in place and blanked and it is unlikely that it will be noticed.
Post #1007856 16th Sep 2023 3:45pm
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