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Go and clean your MAP Sensor NOW!!!
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How's your MAP sensor?
EGRs blanked & MAP sensor gunky
13%
 13%  [76]
EGRs not blanked & MAP sensor gunky
60%
 60%  [352]
EGRs blanked & MAP sensor clean
13%
 13%  [80]
EGRs not blanked & MAP sensor clean
13%
 13%  [76]
Total Votes: 584

RSAChris
 


Member Since: 16 Apr 2010
Location: Centurion RSA
Posts: 154

South Africa 2010 Discovery 4 3.0 TDV6 SE Auto Ipanema SandDiscovery 4

D4JWW wrote:
Checked mine today, late 2008(can't blank EGR's yet), only 26000 miles, long distance mostly, running best Diesel I can buy. Fairly clean
Click image to enlarge


Mine looked like yours after 114,000Km

Daily comute to work and back 36Km with 3 times a week highway run to Jo'burg 70Km.

I also use 2 stroke oil 350ml to the 75litres at fill-up.

Cheers
CS
 Proud owner of an IIDTool
2010 Disco 4 TDV6 SE
R2D3 the 2007 Disco 3 TDV6 SE... gone now
Romulus [Defender 110 CSW Td5] will always be missed
Rofty [Defender 110 CSW Td5] first Td5 and start of motor electronics...
www.flickr.com/photos/the_steyns 
 
Post #78544013th Apr 2011 6:53 am
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Preacher
 


Member Since: 15 Aug 2009
Location: NE Victoria
Posts: 141

Australia 2005 Discovery 3 TDV6 SE Auto Bonatti GreyDiscovery 3

my D3 TDV6 has done 122kl and fuel consumption is poor - about 13 lt /100 (has a roof top tent on top and running muddies) - when towing a small 12ft off road van on the bitumen the consumption is about 18lt /100km
Would blanking help (don't really know what it does) I've had a remap (tune) done - results in a little better power but other wise hard to tell any difference

any help would be appreciated

dj
  
Post #78545013th Apr 2011 7:47 am
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discoBizz
 


Member Since: 20 Sep 2008
Location: Manchester
Posts: 1416

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Trackman wrote:
...using 2 stroke oil in their Diesel?


Ian, I just have to ask: are you referring to adding 2-stroke oil to the diesel when filling up as mentioned later? Shocked

It may be a well discussed and documented technique, just haven't come about it yet...

If it will help protect/clean the engine, it will be well worth me having a go at this - after cleaning the sensor - the diesel in this part of the world is complete Censored
 ==> Guide - Inexpensive AV Modification
==> Guide - Extend the multimedia of your Discovery III (September 2011, v1.2 uploaded)  
Post #78553613th Apr 2011 12:45 pm
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Frans@yamorna
 


Member Since: 20 Jan 2010
Location: Tzaneen
Posts: 109

South Africa 2006 Discovery 3 TDV6 SE Auto Vienna GreenDiscovery 3

Hi Trackman,I am using 2T oil @ 1:200(400ml/80L).I recently blanked my EGR's and at the same time cleaned the MAP sensor.I was surprised at how clean the EGR thing is where it dumps the dirty air in the manifold and the MAP needed very little cleaning Thumbs Up I use 50ppm diesel when available.My car has done 102000km's Whistle
Frans
 Big Country RR,NL Split Charge,FR Sump Guard,TP Monitor,BAS map  
Post #78559013th Apr 2011 3:02 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73131

Ukraine 

Question asked as a non techie but here goes. If the EGRs are blanked does that mean that air pulled into the manifold will be clean, i.e. no exhaust fumes to gunk things up? If that's the case wouldn't blanking help prevent gunning up? It's difficult to see this as the sensors could have been gunking up from day 1. If this still happens when blanked, is this gunk oil from the turbo or where has it come from? Remember asked as a non techie so answers in less than 5 sylabels per word please.
   
Post #78559613th Apr 2011 3:18 pm
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crwoody
 


Member Since: 09 Mar 2009
Location: Littleborough
Posts: 2109

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

On most cars there will always be a small amount of oil going through the air intake system from the crankcase breather which would connect into the low pressure side, (before the turbo,) it comes in initially as hot oil vapour which condenses in the intercooler and pipework.

I'm not sure where it connects in on the D3 though. Confused
 Clive

 
 
Post #78559913th Apr 2011 3:31 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73131

Ukraine 

Thumbs Up Thumbs Up Will be checking mine every few thousand miles. Mr. Green Mr. Green
   
Post #78560513th Apr 2011 3:41 pm
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Renton
 


Member Since: 13 Jan 2009
Location: Somewhere in the middle
Posts: 1718

2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Just checked mine. Total mess.
Now clean. Will take it for a spin later and report back.

Click image to enlarge
 CLUB ILLEGAL CAR WASHERS  
Post #78561113th Apr 2011 3:58 pm
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euangibson
 


Member Since: 24 Dec 2010
Location: Borders
Posts: 11027

Scotland 2012 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Just cleaned mine 20 mins ago(67k miles)
non-blanked EGR's but moderately dirty MAP sensor.
Took if for a quick run and didnt get it up to temp,but I reckon it had a noticeably cleaner response at low revs....
will wait and see if that was wishful thinking or genuine improvement
 "Better to remain silent and be thought a fool,than to speak out and remove all doubt" ?.....what rubbish...

Locking rear E-diff
RLD spare wheel protector & sump guard
Extended roof rails
Series 111 mudflaps
Black side tubes,grill and vents
Timed climate remote
Hids4u interior lights

D4 Firenze my2012 HSE
D3 Java 2005 SE manual (sold,sadly,thanks for the memories)
1966 '88 Series 2a....still starts in the morning better than I do... 
 
Post #78561213th Apr 2011 4:01 pm
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discoBizz
 


Member Since: 20 Sep 2008
Location: Manchester
Posts: 1416

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

discoBizz wrote:
Trackman wrote:
...using 2 stroke oil in their Diesel?


Ian, I just have to ask: are you referring to adding 2-stroke oil to the diesel when filling up as mentioned later? Shocked

It may be a well discussed and documented technique, just haven't come about it yet...

If it will help protect/clean the engine, it will be well worth me having a go at this - after cleaning the sensor - the diesel in this part of the world is complete Censored


Just bumping this question as I would be very interested to read about the merits of doing so if I have understood this correctly Whistle
 ==> Guide - Inexpensive AV Modification
==> Guide - Extend the multimedia of your Discovery III (September 2011, v1.2 uploaded)  
Post #78561513th Apr 2011 4:10 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73131

Ukraine 

Question already asked!! http://www.disco3.co.uk/forum/topic64357.html?highlight= Whistle
   
Post #78561813th Apr 2011 4:14 pm
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The Transformer
 


Member Since: 22 Jan 2010
Location: Leicestershire
Posts: 1791

England 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Checked ours last night approx 10k after egr's were blanked. I cleaned it at that time, was pretty blocked (65k) last night was totally clean.
  
Post #78562113th Apr 2011 4:20 pm
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discoBizz
 


Member Since: 20 Sep 2008
Location: Manchester
Posts: 1416

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Embarassed ah, the search button! (lazy Censored me is, but to my defense I am on my phone...) Thanks DSL Thumbs Up

edit: Hang on, you just asked that question too Laughing Shocked
 ==> Guide - Inexpensive AV Modification
==> Guide - Extend the multimedia of your Discovery III (September 2011, v1.2 uploaded)  
Post #78562313th Apr 2011 4:26 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73131

Ukraine 

Thumbs Up
   
Post #78566313th Apr 2011 6:47 pm
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Renton
 


Member Since: 13 Jan 2009
Location: Somewhere in the middle
Posts: 1718

2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Sorry guys but I´m gonna shout:

THIS TOPIC HAS THE WRONG TITLE! IT SHOULD BE "GO AND CLEAN YOUR MAP SENSOR NOW"

I just cleaned it and the difference is remarkable. Engine is much more alive and quicker on accelleration. This is by far the best, easiest and quickest mod I have ever done.

I guess that the higher the milage on your car the bigger the improvement.

Now go and do this!

PS: Isn't it sad that probably not a single stealer will do this for you or is even aware of this?

PPS: Mods this is defenitely one for the Wiki


This comment has been replied to by the site administration team
PPPS: RENTON, Mods don't create Wiki's, the site users do Wink
 CLUB ILLEGAL CAR WASHERS  
Post #78567513th Apr 2011 7:13 pm
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