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Ibiza Mk4 For the 2002 - 2008 model

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Old 02-07-2010, 03:49   #1
shazo
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EGR delete or removal

hello,

since iv got abit of free time i thought id start working on the ibiza again. i have a facelift 1.9 tdi FR mapped, no cat and no backbox just a straight through pipe and a K&N cone filter.

anyhow recently i was messing about with a mapped fabia VRS and i got off on him and he told me he had a EGR delete. im concidering doing this depending on how hard it is and cost.

so if anyone knows can you answer the following:

1) does removing the EGR and raplacging with a pipe make is faster/responsive?
2) will removing EGR affect the engine?
3) will any warning lights appear on the speedo?
4) any idea where i can get the pipe from? and how much? a fried told me e-bay

any help would be apreciated.
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Old 02-07-2010, 03:55   #2
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Not sure on any of the technical questions, but here's a link to one on ebay

http://cgi.ebay.co.uk/Allard-EGR-Val...item27b2e6bad4
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Old 02-07-2010, 12:54   #3
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Quote:
Originally Posted by shazo View Post

so if anyone knows can you answer the following:

1) does removing the EGR and raplacging with a pipe make is faster/responsive?
2) will removing EGR affect the engine?
3) will any warning lights appear on the speedo?
4) any idea where i can get the pipe from? and how much? a fried told me e-bay

any help would be apreciated.
Ok i will try my best with what i have learnt but someone may be able to give better advice.

1) There is no performance gain in bhp etc with an EGR removal, all you are doing is stopping the exhaust gas recirculation and therefore stopping the build up of all the black gunk.

2+3) it wont effect the engine as such as you are educing the build up of deposit but a warning is most likily to come once it has been removed - most people then have the light mapped out.

however in having this done on some of th more modern 1.9tdi engines i have heard there is a slight loss in power i.e a reduction of 5hp or a little more, i dont know why and all the people i have spoken with have not got a full answer yet, however the main reason i have know people to do it is not specifically for performance but for the reasons in point 1.

4) Allard used to do a kit, and i think maybe spitfire performance do one but not sure on any others.

hope that helps
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Old 02-07-2010, 20:22   #4
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What about one of these blanking plates with the small hole in the center to let some gas through to fool the sensor, any good.
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Old 03-07-2010, 11:21   #5
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I have only read that some people have used those because they didnt want the trouble of mapping the light out, but havent heard much further than that sorry.
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Old 03-07-2010, 11:29   #6
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I done this to my 1.2 and felt it was hell of a difference especially on low revs but made my engine run alot richer which caused it to run really hot. I didnt pay any money to blank the EGR valve, get some sheet metal and trace the outline of the end that connects to the inlet manifold and the end that connects to the EGR(from the manifold) solid peices no holes for it to breath. Put them in between like gaskets and disconnect your EGR plug bolt it back together. so no air is leaking into your intake or exhaust gasses leaking into your engine bay. Of course your going to have your engine management light on however way your going to it because the emissions reading is going to be incorrect but thats the easiest and cheapest way that does the same job.
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Old 11-07-2010, 04:43   #7
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through my research so far it was sought removing the EGR with the allard kit would increase responsiveness of the car and performance as more oxygen and air was going into the engine.

so far i found a blanking plate and an allard kit for 60 quid on ebay. theres a local lad with it done to his fabia VRS next time i see him il have a proper chat and look under his bonnet.

thanks for the help
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Old 11-07-2010, 14:08   #8
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I have blanked my egr pipe at the exhaust manifold side. it was just a case of cutting a piece of tin to shape. as for the eng man light there is no reason for it to come on as the egr is vacuum fed and and ur not actually disconnecting. the only reason u wud see the eng man light wud be if your air flow sensor picked up a change in the air drawn into the engine. unlikely tho.
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Old 11-07-2010, 14:55   #9
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That's how the engine ecu works out egr flow though, it is programmed to do that.
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Old 11-07-2010, 14:59   #10
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if this is the case then if your engine man does appear a egr map out wouldnt work. ud have to totally map wot the maf sensor is seeing. suppose mapping places hav already figured this out
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Old 11-07-2010, 15:01   #11
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You alter the expected egr flow reading the the engine ecu, much like turning it down with vag com but deleting it so it doesn't look out for the calculation.
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Old 11-07-2010, 15:14   #12
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so wen egr is blanked would your maf sensor would see a bigger air flow. It would draw more air to compensate the loss of exhaust gas
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Old 15-07-2010, 05:36   #13
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i thought it would be a straight up manual job so i can replace the parts myself... this mapping out the EGR flow thing seems like its going to be a headache.
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Old 15-07-2010, 12:20   #14
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Iv reduced the gasket size, known to work well on the 'BLT' engine codes etc.

Iv got reduced hesitation on a gear change, definately noticable. £1.40 and 10 mins to do!


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Old 29-07-2010, 08:35   #15
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Quote:
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Iv reduced the gasket size, known to work well on the 'BLT' engine codes etc.

Iv got reduced hesitation on a gear change, definately noticable. £1.40 and 10 mins to do!


Jimski
i have a BLT engine... how do i go about doing this ?
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Old 29-07-2010, 11:10   #16
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which is the BLT engine?? im also interested in this gasket reducing.
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Old 29-07-2010, 18:31   #17
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Quote:
Originally Posted by shazo View Post
i have a BLT engine... how do i go about doing this ?

Click on my readers ride link, its all in there!

OR for the lazy ones; http://www.seatcupra.net/forums/show...=255666&page=4


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Old 30-07-2010, 17:13   #18
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you can also delete it with vagcom. You can either reduce the usage of it, or totally make it not working!
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Old 30-07-2010, 22:04   #19
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Sorry I am still lost where is any proof this does anything other than what people 'think' which may be in imagination, anyone RR the car before and after or anything?
Why is Jim saying it cost £1.40 and then people saying it is £60 off ebay?
I have never really heard much talk of this doing anything and been on this and few other VAG forums 4 years now so need to be convinced.
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Old 02-08-2010, 21:17   #20
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I'm hoping Andy at PSI will be able to shed some light on this as I would like to do it too
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