Member Since: 10 Jun 2015
Location: Swanmore, Southampton
Posts: 226
Another EGR question or two! Advice please
I had the orange engine management light (MIL?) appear earlier today on my MY08 auto and took it to my local Indy who read the code and diagnosed a faulty ( stuck open) EGR valve. - and sold me an EGR kit for me to fit and then rebook in for the software 'fix'. Codes reset and light extinguished. Drove it home and at first it was very sluggish pulling away and, as I usually drive with a light right foot, I gave it a bit of wellie and it seemed to respond better!. Been out in it tonight and it's been behaving perfectly.
So, is it possible to 'unstick' a valve by gunning it and, assuming that it will stick again, how difficult a job is blanking for an old timer to do?? Best Regards,
Dave.
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24th Sep 2015 9:48 pm
Allan_T
Member Since: 10 Sep 2012
Location: Northampton
Posts: 1034
The blanking kit installation is relatively straightforward, use this as a guide -
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do it
it improves everything..
& it doesn't involve flukey software...or I dont think it doesBREXIT - done properly.
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24th Sep 2015 10:38 pm
sarumlight
Member Since: 07 Nov 2008
Location: Off the Plain
Posts: 1592
Later D3's (think it was 2007 model on that are Euro 4 compliant) need a software fix as well as blanking otherwise they'd fail the MOT for having a warning light on.
Thinking about doing this myself along with a BAS remap. Although Volkswagen apparently do remaps...
25th Sep 2015 12:28 am
MGCarr
Member Since: 15 Jul 2014
Location: Lancashire
Posts: 703
Re: Just..
BLFarrar wrote:
do it
it improves everything..
& it doesn't involve flukey software...or I dont think it does
EGR valves are there to reduce the output of Nox gasses, particularly at high engine speed, low throttle settings such as when the engine is in a overrun situation. Nox gasses are pretty harmful so although I agree that blanking the EGR valves does improve the performance of the car should we really be poisoning our fellows? On a more practical note the VW issue is almost certain to result in more stringent emissions testing so people may find themselves having to undo EGR valve blanking and software modifications.
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25th Sep 2015 12:51 am
geoff.
Member Since: 24 Jan 2010
Location: West kent
Posts: 8531
Dave
Replied
25th Sep 2015 5:02 am
lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
I would say blanking the egr does not in fact make the car run any different to normal unless it has an egr problem in the first place.
25th Sep 2015 6:29 am
Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20806
Member Since: 10 Jun 2015
Location: Swanmore, Southampton
Posts: 226
Thanks for the advice guys! But s it possible for the valve to stick/ unstick?.........looking at Alan B's piccy , I'm guessing at 'yes'!Best Regards,
Dave.
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25th Sep 2015 8:18 am
jenkinsdh
Member Since: 11 Aug 2015
Location: Hinckley
Posts: 53
From my limited experience, yes you can sometimes unstick it (if it is not a mechanical failure of bearings etc).
I had a couple of MIL lights present, and clear, themselves over a few weeks. As a short term fix while waiting for time and an EGR to be delivered I tried an EGR cleaner (Wynns?) and Fuel system cleaner (BG244) and haven't had a recurrence for the last month or two. Meanwhile, the EGR I bought remains on the side waiting to be fitted when it does finally fail
As a bonus the cleaner/additive also made the accelerator response quicker and the engine sounded smoother so, for an investment of £20-£30 it may be worth trying.
It's also worth mentioning that I have an inbuilt distrust of 'snake oil' type additives so was not expecting too much success - the results were therefore a pleasant surprise!
do it
it improves everything..
& it doesn't involve flukey software...or I dont think it does
It does for the OP.
MGCarr wrote:
EGR valves are there to reduce the output of Nox gasses, particularly at high engine speed, low throttle settings such as when the engine is in a overrun situation. Nox gasses are pretty harmful so although I agree that blanking the EGR valves does improve the performance of the car should we really be poisoning our fellows? On a more practical note the VW issue is almost certain to result in more stringent emissions testing so people may find themselves having to undo EGR valve blanking and software modifications.
Blanking greatly reduces particulate matter though, and of course CO2 emmissions, and improves engine (and maybe turbo) life, so there's a flip side to every coin...Current: Discovery 3 06MY (55 reg) HSE Auto Zambezi Silver Allisport Fast Road Intercooler, V8 Brakes, Silicone IC Hoses, EGRs Blanked, Remapped, De-Cat pipe, FBHIC
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25th Sep 2015 9:11 am
lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
Disco_Mikey wrote:
But your valve was sticking, and had a remap at the same time
Still the worst I have ever seen...
Thats very impressive
25th Sep 2015 2:44 pm
Jumper9895
Member Since: 10 Jun 2015
Location: Swanmore, Southampton
Posts: 226
Well after buying a blanking kit, I spoke with the dealer who sold me the D3 and he offered to get the EGRs replaced at 'trade rates' . Just collected it £450 lighter and 2 X Valeo valves fitted - but truck does feel so much more responsive!......... Seems though they took out the inner wheel arches to access the valves......is this the way?
Anyone want to buy a Britpart blanking kit lol!Best Regards,
Dave.
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Allisport Fast Road Intercooler, V8 Brakes, Silicone IC Hoses, EGRs Blanked, Remapped, De-Cat pipe, FBHIC
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