 | Home > Puma (Tdci) > EGR switch off without blanking plate? |
 
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| meeerrrk Member Since: 12 Feb 2017 Location: Surrey Posts: 548   
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I’ve been reading so much information on the forum about switching off EGR and blanking the thing.
I’m confused….If have my EGR switched off via a remap, do I have to blank it off or can it be left without blanking it? Thanks. Mark My 90 Project : http://www.defender2.net/forum/topic52774.html Last edited by meeerrrk on 23rd Feb 2018 6:03pm. Edited 1 time in total |
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23rd Feb 2018 4:49pm |
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| Bluest Member Since: 23 Apr 2016 Location: Lancashire Posts: 3997 
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On the Puma, the blanking plate is just piece of mind once the EGR has been mapped closed. If the EGR is faulty it may work it’s way open or not be fully closed to begin with. If the EGR is healthy, no problem. 2007 110 TDCi Station Wagon XS
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23rd Feb 2018 6:10pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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In theory yes, you can just have it permanently closed in the map. But if it's all coked up it might not close properly and still leak gases.
EGR blanking plates are cheap and are easy enough to fit. Decent ones have slotted bolt holes so you can just loosen the EGR Valve and slide the plate in. |
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23rd Feb 2018 6:37pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19577
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^^^^ This.
 Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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23rd Feb 2018 7:09pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16879 
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Mine has been inhibited by my BAS map for the last 200,000 miles without a blanking plate with no problems whatsoever. I see no need whatsoever for a plate as well.
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23rd Feb 2018 7:29pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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Sounds like you pretty much did yours from new Blackwolf, so the EGR would have been working properly to start with.
I blanked mine as it'd already done up to 80'000, so there was no guarantee it was closing properly. For the sake of 10 min with a spanner and £5 for a plate |
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23rd Feb 2018 7:49pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19577
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Mine was done about 34k and faulty EGR. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
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23rd Feb 2018 7:57pm |
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| daftlad Member Since: 21 Feb 2018 Location: Notts,south yorks border Posts: 10 
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Next on the list this is
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23rd Feb 2018 8:04pm |
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| meeerrrk Member Since: 12 Feb 2017 Location: Surrey Posts: 548
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Thanks gentlemen. I think I’ll blank it, but at least I don’t have to get it done from day one.
Where do you guys source them from, eBay ? They are only cheap! My 90 Project : http://www.defender2.net/forum/topic52774.html |
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23rd Feb 2018 8:37pm |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324 
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I took my map off temporarily and the valve stuck open giving me effectively limp mode 2 minutes in to a drive. All fixed now and I have the plate, but just need some spare time to install it.
So if you're splitting a joint there's no new gasket required on both sides of the plate?? I don't have my vehicle available but is it # 3, 4 or 5 ? Looking at it my guess is 3, but I'm not sure which direction the gas is flowing.. 
 Click image to enlarge Solved the bowel problem, working on the consonants... |
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23rd Feb 2018 8:45pm |
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| meeerrrk Member Since: 12 Feb 2017 Location: Surrey Posts: 548
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I think it’s #3 in that diagram. I don’t think people worry about adding another gasket My 90 Project : http://www.defender2.net/forum/topic52774.html
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23rd Feb 2018 9:00pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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You can either blank it at 3 or 4, but 4 is easier to get at.
Some people blank both, in case the EGR cooler develops a coolant leak. I've never bothered with a second gasket, the plate is basically just a thick gasket anyway. If you wanted to add a second one, just clip the bolt holes into slots so you can slide it into place. |
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23rd Feb 2018 10:05pm |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324
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Mine is CNC cut sheet steel, more like a shim than a gasket in terms of sealing ability...
Seems like it's a never discussed issue so I may have no concern but out of interest what would be the outcome if there was imperfect sealing? Not much? Solved the bowel problem, working on the consonants... |
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23rd Feb 2018 11:25pm |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324
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Just read my initial post again, not sure why I suggested 3, I meant 4, it's right on the valve and not wedged behind the block. I can see how blocking both could help with an EGR cooler leak though
, basically making a little dirty reservoir  Solved the bowel problem, working on the consonants... |
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23rd Feb 2018 11:37pm |
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