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| twopoint6khz Member Since: 18 Aug 2011 Location: North Lakes Posts: 654   
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If it's blue and stinky smoke it's probably oil. Excess smoke after a remap tends to be black (due to over-fuelling) and only happens at higher revs under load.
What's your mileage? My old Td5 on 110k ish used to smoke a wee bit on startup, but it soon cleared (i.e. within 5 seconds). Guess it could be the lack of restriction in the exhaust letting the smoke escape where it wouldn't have before (or would have taken longer to come out so you wouldn't have noticed)? I've noticed when going from a straight-thru'd old Td5 to a newer one with a cat and silencers, that there's less smoke but more steam on cold mornings. |
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9th Feb 2012 5:49pm |
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| Killer90 Site Sponsor Member Since: 09 Oct 2011 Location: Hertfordshire Posts: 6478 
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when i removed my egr and fitted a straight through i noticed alot of smoke especailly in the mornings but that was only when i revved it up now i have had my alive tune up there is no smoke what so ever really good
 who done your remap  |
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9th Feb 2012 6:41pm |
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| Baffled 1 Member Since: 09 Feb 2012 Location: Brailes Posts: 37 
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Hello All, This is my 1st thread I have replied to but looking through fourm I felt the urge to join and reply to this post, basically I also have fitted a de-cat along with a turbo booster amongst other tuning parts and had a remap, and have also noticed as Killer90 my defender smokes alot when starting from cold, the smell as mentioned I feel is just the obnoxious fumes no smell of burning oil, me being me and fairly new to the world of LR Defenders assumed this is normal as we have increased the fuel uptake and after a short while the smoke disappears!
Am I also in the right direction in thinking removing the Cat will increase the smell of fumes? Which leads me onto another debate what is your consensus on De- Cats becoming a Mot failure? I obviously fitted one to which will fail the Mot later in the year, we all remove the Cat to which is one of the 1st tuning practices to be done! So it looks if mine will have to go back on as I suppose it will basically be a insurance problem as well? |
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9th Feb 2012 9:15pm |
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| T1G UP Member Since: 08 Dec 2009 Location: Bath Posts: 3101  
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cats aren't a requirement for an MOT.
blue smoke i9s oil, could have turbo seal issues that has bheen highlighted by the remap and boost box etc. Decat and egr are the best mods to do, easy, cheap and allow the engine to breath better |
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9th Feb 2012 9:21pm |
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| Baffled 1 Member Since: 09 Feb 2012 Location: Brailes Posts: 37
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Perhaps I read it wrong but one of the land rover magazine mentioned a rule change to include the following, if your vehicle was fitted with a cat as standard at the time of manafacture then it must be fitted at time of Mot!
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9th Feb 2012 9:49pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17333 
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New cat regs only apply to spark ignition (ie petrol) engines. Cat not required on compression ignition.
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9th Feb 2012 10:20pm |
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| Killer90 Site Sponsor Member Since: 09 Oct 2011 Location: Hertfordshire Posts: 6478
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and also on a defender they changed it so many times some years had them some dont so i dont think it would matter at all even if the rules were for diesels
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9th Feb 2012 10:26pm |
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