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Removal of catalytic converter
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woody32
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Member Since: 11 Mar 2009
Location: Somerset
Posts: 3551

United Kingdom 2007 LR3 3.0 TDV6 SE Auto Bonatti GreyLR3

Hi Moo yeah bit of a strange one, shouldnt smell really will try again this week if it still stinks i'll put some castrol TTS oil in the tank Thumbs Up
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Post #8808579th Jan 2012 12:43 am
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Moo
D3 Decade 


Member Since: 13 Aug 2010
Location: Wiltshire
Posts: 13906

Ukraine 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

Shouldn't need to do that but goodluck.
  
Post #8808589th Jan 2012 12:45 am
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Frans@yamorna
 


Member Since: 20 Jan 2010
Location: Tzaneen
Posts: 109

South Africa 2006 Discovery 3 TDV6 SE Auto Vienna GreenDiscovery 3

Very interesting topic Thumbs Up Does the cat on a diesel engine have a limited lifespan as on a petrol engine?Will the engine ECU give a faultcode when the cat is blocked?What limits the life of the cat on a diesel?Traffic?Bad diesel?If no faultcode,how will you know it is finished?
 Big Country RR,NL Split Charge,FR Sump Guard,TP Monitor,BAS map  
Post #88169410th Jan 2012 7:46 pm
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Moo
D3 Decade 


Member Since: 13 Aug 2010
Location: Wiltshire
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Ukraine 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

Haven't a clue but certainly no fault code. Thumbs Up
  
Post #88187911th Jan 2012 12:46 am
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WILLF
 


Member Since: 29 Sep 2011
Location: Cape Town
Posts: 58

South Africa 2007 Discovery 3 TDV6 SE Auto Vienna GreenDiscovery 3

Quote:
unlike the V8's, the diesels do not have sensors on the converter


I thought all post '06 models had sensors fitted - V8 and TDV6. I have an '07 model TDV6 and have been advised not to de-cat.

Is there a problem removing the silencer boxes? (that would be technical issues -not road-worthy)

I certainly saw the difference in performance with a clean, straight running pipe on my TD5.
  
Post #88190911th Jan 2012 8:13 am
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Slimer
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Member Since: 06 Jan 2005
Location: Last Exit to Nowhere
Posts: 16295

United Kingdom 

My 08MY is de-catted, no issues at all, there aren't any sensors to wrorry about

I'd suggest either de-catting or removing the silencers - not both. I had a straight through performance pipe + the de-cat on for about a month, it sounded good outside (scared a few boy racers Very Happy ) but inside the constant drone soon got unbearable so the standard pipe went back on with the de-cat
 The End 

Last edited by Slimer on 11th Jan 2012 8:21 pm. Edited 1 time in total 
Post #88197811th Jan 2012 12:46 pm
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WILLF
 


Member Since: 29 Sep 2011
Location: Cape Town
Posts: 58

South Africa 2007 Discovery 3 TDV6 SE Auto Vienna GreenDiscovery 3

Thanks Slimer,

now who are the guys picking up problems with the de-cat? Engine management lights etc...
  
Post #88200911th Jan 2012 1:52 pm
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Frans@yamorna
 


Member Since: 20 Jan 2010
Location: Tzaneen
Posts: 109

South Africa 2006 Discovery 3 TDV6 SE Auto Vienna GreenDiscovery 3

Are you not talking about blanked EGR's on '07 onwards cars Question

So it seems that there is nothing to tell you that the cat is blocked,apart from maybe a drop in performance Question
 Big Country RR,NL Split Charge,FR Sump Guard,TP Monitor,BAS map  
Post #88216511th Jan 2012 7:58 pm
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gecko_fr
 


Member Since: 26 Jul 2010
Location: Near Dijon
Posts: 127

France 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

My 08MY is also de-catted without any problem Thumbs Up
  
Post #88220211th Jan 2012 8:59 pm
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D4JWW
 


Member Since: 20 Oct 2009
Location: London, UK
Posts: 1318

South Africa 2009 Discovery 3 TDV6 GS Manual Stornoway GreyDiscovery 3

Frans good to see you on here again an all the best for 2012, not sure if you follow SA4x4 comunity but it's worth reading post 50 on here :
http://www.4x4community.co.za/forum/showth...amp;page=3
(Pieter knows his landis and has managed to blank EGR on a MY08)
And turbo modification by HG Bosch is also good: http://www.4x4community.co.za/forum/showthread.php?t=97398
Thumbs Up
 A few mods... and keeping it all running...Faultmate MSV2
MY09EGR's blanked Thanks Bellautos, BAS 
 
Post #88225311th Jan 2012 10:23 pm
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WILLF
 


Member Since: 29 Sep 2011
Location: Cape Town
Posts: 58

South Africa 2007 Discovery 3 TDV6 SE Auto Vienna GreenDiscovery 3

Thanks Frans! Embarassed Damn - is this how I'm starting the year!
  
Post #88242512th Jan 2012 12:27 pm
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MRWOO
 


Member Since: 26 Jun 2010
Location: Cheshire
Posts: 192

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Indus SilverDiscovery 4

Lots of people of have mentioned that there might be an MPG improvement with de-catting but has anyone actually seen an improvement? Or, was it the same or worse?
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1982 Series III SWB Hardtop - gone
1997 300Tdi Defender 90 Hardtop - gone
1983 Series III SWB Station Wagon - gone
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Post #90052023rd Feb 2012 9:57 am
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Moo
D3 Decade 


Member Since: 13 Aug 2010
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Ukraine 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

Decat, Remap Allisport intercooler. No real change unless i put my foot down Very Happy
  
Post #90052123rd Feb 2012 9:58 am
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MRWOO
 


Member Since: 26 Jun 2010
Location: Cheshire
Posts: 192

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Indus SilverDiscovery 4

Hi moo

I'm thinking of going for the same as you, I've already looked into the Allisport IC and Decat. Did you notice any MPG gains after the IC was fitted. They claim a minimum of 12% better fuel economy on their website?

'Tests have shown a minimum improvement in fuel economy of 12-15% even when combined to remaps or tuning units from other companies'

Thanks
 1964 Series IIA SWB Truck Cab - gone
1981 Series III SWB Hardtop - gone
1982 Series III SWB Hardtop - gone
1997 300Tdi Defender 90 Hardtop - gone
1983 Series III SWB Station Wagon - gone
1979 Series III SWB Station Wagon - gone
2007 90 CSW - gone
2010 USW XS - gone
2006 Disco3 - awesome & gone!

1959 Series II Truck Cab
1984 Series 3 88" CSW
2004 Defender 90 CSW
2016 Disco 4 Landmark 
 
Post #90052523rd Feb 2012 10:05 am
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Syd
 


Member Since: 02 Nov 2008
Location: Spain & Hampshire UK
Posts: 860

United Kingdom 

I would love to decat mine, however my car is in Spain and have a concern about the ITV test (Spanish MOT), my car is not yet old enough to require the ITV test, however I did enquire at a local test centre and was informed that the vehicle would fail if it was visually obvious that the CAT had been removed. So what I need is a CAT look alike straight through pipe.

Anyone else on here from Spain have the CAT removed ?
Syd
 In Spain - 2018 F Pace - Down and out's Velar
In UK - Dare not say on this Forum
Gone - Lots of Lode Lane vehicles.
- Beta User 
 
Post #90054723rd Feb 2012 11:39 am
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