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landy19840

Member Since: 13 Mar 2011
Location: Non
Posts: 1817

2007 Freelander 2 TD4 SE Manual Zermatt Silver

EGR VALVE

Anyone fitted one of these?

http://cgi.ebay.co.uk/AlliSport-Land-Rover...1560wt_908

19th Jun 2011 9:35 pm

Martin
Site Admin & Owner

Member Since: 18 Feb 2006
Location: Hook Norton
Posts: 977

I think it's for the Freelander 1 Td4 (BMW engine)

19th Jun 2011 11:06 pm

landy19840

Member Since: 13 Mar 2011
Location: Non
Posts: 1817

i thought that, but its in the land rover owner mag this month.

19th Jun 2011 11:08 pm

landy19840

Member Since: 13 Mar 2011
Location: Non
Posts: 1817

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Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated

19th Jun 2011 11:10 pm

alex_pescaru

Member Since: 12 Mar 2009
Location: RO
Posts: 4640

They say:
The AlliSport design of EGR valve bypass does not interfere with the engine ECU systems, and will not cause any faults to be recorded or warnings lights to occur.
But I don't see how they do this, because the engine ECU uses signal from MAF (mass air flow) sensor to see if the EGR valve is doing its job. For a specific RPM, the volume of intake air is constant and when the EGR opens, part of the engine intake air is from exhaust gases and this translates in a lower fresh air intake. And viceversa.
And the fresh air intake is measured by the MAF sensor. So you can't fool so easily the ECU.
A proper EGR "removal" is by modifying the EGR maps inside ECU. Meaning - chiptuning.

20th Jun 2011 6:45 am

-pd-

Member Since: 23 Oct 2011
Location: Krakow
Posts: 8

2007 Freelander 2 TD4 S Manual Sumatra Black

See how I did 'remove' EGR from T4 engine.
See: http://www.t4-wiki.de/wiki/Abgasr%C3%BCckf...llegung%29

The idea is simply minimal changes to the engine, minimal costs. the I'm not sure only about the influence over the DPF.

31st Oct 2011 11:42 am

dunkley201

Member Since: 09 Jul 2011
Location: Lincolnshire
Posts: 2739

2010 Freelander 2 TD4 HSE Auto Stornoway Grey

-pd- wrote:
See how I did 'remove' EGR from T4 engine.
See: http://www.t4-wiki.de/wiki/Abgasr%C3%BCckf...llegung%29

The idea is simply minimal changes to the engine, minimal costs. the I'm not sure only about the influence over the DPF.

That's a good link in principle, -pd-, but its the engine on a VW T4! 10MY (Sept 09) TD4 HSE Auto in Stornoway Grey (Now Gone)

08 FL2 TD4 SE Manual in Rimini Red (Now Gone)

31st Oct 2011 11:48 am

-pd-

Member Since: 23 Oct 2011
Location: Krakow
Posts: 8

dunkley201 wrote:

That's a good link in principle, -pd-, but its the engine on a VW T4!

Yes indeed.
What's the difference in the EGR idea (and the process behind) between two diesel engines?

pd

31st Oct 2011 11:55 am

dunkley201

Member Since: 09 Jul 2011
Location: Lincolnshire
Posts: 2739

I do not know the ECU differences between the VW and LR motors, which may affect the result. The principle may be good, and the mod certainly seems to be popular on the FL1. If it were beneficial/feasible/possible on the FL2 I imagine it would have been offered by some aftermarket modder/tuner by now. 10MY (Sept 09) TD4 HSE Auto in Stornoway Grey (Now Gone)

08 FL2 TD4 SE Manual in Rimini Red (Now Gone)

31st Oct 2011 12:08 pm

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