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totoD110

Member Since: 26 Nov 2008
Location: Manila, Philippines
Posts: 86

EGR Self cleaning

after several times of using two stroke oil in my fuel. I never heard of my EGR self cleaning sound after engine shutdown...

Does anyone using 2 stroke has the same experience or something wrong with my EGR?

Thanks in advance.

10th Jul 2011 12:45pm

Grockle

Member Since: 24 Nov 2008
Location: Peak District National Park
Posts: 2266

2008 Defender 90 Puma 2.4 XS CSW Tonga Green

if you start the engine for a few minutes on switching off you should hear it(like a scrapping noise)this is when its on the cleaning cycle,two stroke won't effect it 2.4 90 XS
1968 1/32 scale Britains 109 Pick up.

10th Jul 2011 1:12pm

Steve B

Member Since: 22 May 2009
Location: Warwickshire
Posts: 587

Maybe through using the 2 stroke oil there is no longer any carbon to scrape off?

Steve

10th Jul 2011 1:16pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2660

2010 Defender 90 Puma 2.4 SW Alpine White

I have been using 2SO since truck was new and I always hear the EGR self-cleaning cycle. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

10th Jul 2011 2:40pm

galawaygreen

Member Since: 16 May 2011
Location: Lincolnshire
Posts: 132

2010 Defender 90 Puma 2.4 XS CSW Galway Green

Perhaps it's not working

10th Jul 2011 3:33pm

ickle

Member Since: 22 Jul 2010
Location: South Vendee
Posts: 1822

2008 Defender 110 Puma 2.4 CSW Alpine White

Mine is much quieter after using 2so, also it needs the occasional tap with a stick, but thats the internal contacts on mine.........

If its stuck your MIL will illuminate as well.

10th Jul 2011 4:08pm

spudfan

Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4739

Three years on and mine can be heard self cleaning. Always did from new. It is probably designed to do this whether it needs to or not to stop deposits building up. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai

10th Jul 2011 6:50pm

totoD110

Member Since: 26 Nov 2008
Location: Manila, Philippines
Posts: 86

Thanks guys for the swift replies.

my engine is running stronger & smoother with 2SO but the only missing is egr cleaning sound. ickle is right if I have problem with my EGR I should get a MIL light. Maybe, all of my exhaust system are clean that doesn't need cleaning

10th Jul 2011 8:19pm

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2449

2007 Defender 110 Puma 2.4 SW Chawton White

2 SO in fuel will increment nitration in engine oil. Nasty stuff to for your bearings.......

Puma 110" SW

.............................................................
Earth first. Other planets later

11th Jul 2011 10:04am

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2660

MK wrote:
2 SO in fuel will increment nitration in engine oil. Nasty stuff to for your bearings.......

Is that why adding 2SO to a TD makes it run quieter & more smoothly? --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

11th Jul 2011 10:44am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17598

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

My EGR valve is noisy when cleaning (like all Defenders and Transits seem to be). My main dealer commented not long ago that the valve was noisy and asked to replace it (I said no, since it has not got any noisier in the last year/30k miles), but he then said that there are now specific fuel additives intended to lubricate the EGR valve. He didn't say what, though.

I also run with 2SO and it does seem to make everything run more smoothly. I haven't noticed any difference on the EGR valve however.

11th Jul 2011 10:48am

Steve B

Member Since: 22 May 2009
Location: Warwickshire
Posts: 587

What % does it increase by? and what to?

Steve

11th Jul 2011 10:55am

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2449

Naks wrote:
MK wrote:
2 SO in fuel will increment nitration in engine oil. Nasty stuff to for your bearings.......

Is that why adding 2SO to a TD makes it run quieter & more smoothly?

Course not. Engine oil needs to be replaced more often. Puma 110" SW

.............................................................
Earth first. Other planets later

11th Jul 2011 11:15am

totoD110

Member Since: 26 Nov 2008
Location: Manila, Philippines
Posts: 86

after almost empty tank last few days I filled up w/o 2 SO and I heard the EGR cleaning again.. its strange

12th Jul 2011 8:00am

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2449

Apparently some EGRs are seldom stuck (cuasing no problem at all) and some get fully open or closed (MIL should shout). IMHO I would not worry about the MIL.

Puma 110" SW

.............................................................
Earth first. Other planets later

12th Jul 2011 9:35am

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