 | Home > Technical (L322) > EGR |
 
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| 47p2 Member Since: 05 Oct 2010 Location: Gone Beyond, Subaru Posts: 8048  
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Ok so I can confirm there are no swirl flaps on a 2002 TD6. That is good news because they can break off and cause major damage.
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13th Oct 2010 8:31pm |
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| arron Member Since: 21 Sep 2010 Location: lincolnshire Posts: 123  
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your not going to bother putting that back on surely, get one of the throttle bodys of ebay that does away with it. theres no elecrical input on the egr so no ill effect from scrapping the waste of time, i took mine off 6 months ago and all is sweet in the td6 front. |
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14th Oct 2010 12:08am |
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| 47p2 Member Since: 05 Oct 2010 Location: Gone Beyond, Subaru Posts: 8048
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Thanks for the input aaron, does it not show up any faults on the computer when you blank it off |
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14th Oct 2010 5:58am |
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| arron Member Since: 21 Sep 2010 Location: lincolnshire Posts: 123
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no faults show at all, not even on a scanner when you plug it in. happy days really, i was worried about that but it turns out our worrys are invain. i done away withmine ages ago now and never had a problem since. |
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14th Oct 2010 11:28pm |
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| nbunney Member Since: 10 Aug 2008 Location: Lancashire Posts: 2033
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Arron
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15th Oct 2010 7:44am |
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| 47p2 Member Since: 05 Oct 2010 Location: Gone Beyond, Subaru Posts: 8048
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WHat happens with the vacuum pipe when you fit the new blanking plate, also what happens to the small pipe that goes to the exhaust? |
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15th Oct 2010 7:50pm |
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| David Member Since: 15 Oct 2010 Location: Murcia Posts: 301  
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Excuse my ignorance, what is a EGR and is there one a a TDV8 ? |
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15th Oct 2010 8:26pm |
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| Tim in Scotland Member Since: 25 Mar 2007 Location: Somewhere between here and there, if not then I'm all at sea or at home in Scotland Posts: 2181 
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Exhaust Gas Recirculating Valve - TDv8 has 2, one on each turbo/exhaust system, it's all to do with emissions control, white man's magic 2018 Mini Countryman Cooper S E All4 PHEV in Melting Silver - it’s whisper quiet in EV and polluter modes |
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15th Oct 2010 8:27pm |
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| arron Member Since: 21 Sep 2010 Location: lincolnshire Posts: 123
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here you go guys,
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15th Oct 2010 11:26pm |
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| 47p2 Member Since: 05 Oct 2010 Location: Gone Beyond, Subaru Posts: 8048
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Thanks for the link aaron |
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16th Oct 2010 8:59am |
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| David Member Since: 15 Oct 2010 Location: Murcia Posts: 301
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So it actaully isnt that big a deal ? Can you still drive witha faulty one ? |
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17th Oct 2010 10:05am |
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| Tim in Scotland Member Since: 25 Mar 2007 Location: Somewhere between here and there, if not then I'm all at sea or at home in Scotland Posts: 2181
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You could but you may make an awful lot of black smoke out the back - enough to attract the attention of the police, also you could well ruin the catalytic converters and emissions control electronics. You could easily get it removed and the hole in the manifold banked off too. I had it done to my TDi300 engined Defender and it liberated a few extra horses and made the engine run smoother (if that is possible with a Defender!) at the same time I had the electronics associated with it removed on advice of the non-franchised specialist who did the work. 2018 Mini Countryman Cooper S E All4 PHEV in Melting Silver - it’s whisper quiet in EV and polluter modes |
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17th Oct 2010 10:25am |
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| fisha Member Since: 25 Sep 2009 Location: Scotland Posts: 1377 
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As already said, there will be one on each bank of the V8. Its basically an emissions control system. Essentially, what it does is that it takes some of the burnt gases that are going down the exhaust pipe and re-routes them back into the inlet of the engine, with a view to ensuring that any fuel that wasn't burnt on the first attempt, does get burnt on the second attempt. This recycling of the exhaust gas doesn't happen all the time. There is a computer controlled valve which which opens and closes the the loopback of the gas into the inlet, and it'll only open under certain engine conditions ... depending on throttle position, engine revs and engine temp etc etc. ( IIRC on a 300tdi defender, it was found that the EGR only really worked for a small proportion of the time . . . it was something like only during medium temp and medium throttle ... if the engine was stone cold, or fully warm, the EGR barely opened ... making the whole thing pretty pointless ... i may be wrong in my recollection though ) Does it drastically reduce emissions? Probably only in certain circumstances. Remember, you also have the cat converter which reduces emissions as well. Would disabling it create black plumes of smoke. I doubt it. To me, plumes of black smoke is primarily the result of the fuel map and fuel delivery ... black smoke coming from over-fuelling. My experience from messing around with the EGR and fuel delivery on a 300tdi is as above. Disabling the EGR made no noticeable difference to smoke output, nor any appreciable difference in engine smoothness. Smoke was a direct result of twiddling with the fuel injector settings on the engine. Nowadays with the modern engines, the fuel delivery is measured accurately ... so the system will deliver fuel to the actual amount of air going into the engine ( irrespective of whether the EGR valve is open or not ). I would imagine though that the system would know if the valve had simply been disconnected, and as such may throw an error. To me, the solution is a blanking plate that simply stops the flow of gas through the pipe, but still allows the valve to open and close ... thus keeping the system happy. V8 or else ... |
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20th Oct 2010 9:28am |
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| RRRob Member Since: 24 Jul 2010 Location: Bury Posts: 123 
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Carrying on an existing thread rather than create a new one ( I used the search function |
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12th Jun 2011 11:51am |
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