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Discovery 3 V8 owners? how many left!!
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Lrstaylor
 


Member Since: 04 Oct 2018
Location: Kent
Posts: 594

England 2005 Discovery 3 TDV6 HSE Auto Adriatic BlueDiscovery 3

Had the dreaded whine for a while now must get round to swopping it out iv got 1 sat here in the box but voltage is all good so unless it fails il wait for better weather
  
Post #235581713th Dec 2023 5:12 pm
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Lrstaylor
 


Member Since: 04 Oct 2018
Location: Kent
Posts: 594

England 2005 Discovery 3 TDV6 HSE Auto Adriatic BlueDiscovery 3

Click image to enlarge
  
Post #235581813th Dec 2023 5:18 pm
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kajtzu
 


Member Since: 11 Aug 2017
Location: Helsinki
Posts: 6584

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

It didn’t look (like everything on YouTube) like a bad job but I decided to give it to the Indy as they were able to source the Denso alternator in less than a day and it’s -10 outside… Whistle

It’s cool to do things in the summer but it’s not fun to this time of the year outside Mr. Green
  
Post #235583313th Dec 2023 8:13 pm
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Mossy
 


Member Since: 01 Jul 2005
Location: Hollyoaks, UK
Posts: 2682

United Kingdom 2006 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3
18 years of V8 ownership from new

Still my favourite car of my ever growing fleet.... No really!!! [/list]
 D3 HSE V8...  
Post #235612116th Dec 2023 8:51 pm
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Lrstaylor
 


Member Since: 04 Oct 2018
Location: Kent
Posts: 594

England 2005 Discovery 3 TDV6 HSE Auto Adriatic BlueDiscovery 3

Got it dirty

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Post #235612716th Dec 2023 10:26 pm
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Duc750
 


Member Since: 07 Aug 2017
Location: northampton
Posts: 305

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Java BlackDiscovery 3

Lrstaylor wrote:
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Add 1 to that as mine shows up on how many left as a manual S (its and auto HSE)
 05 D3 V8 HSE, LR Passion tree bars, wildbear compressor guard, LRP switch panel, ARB rear locker + compressor, Trigger 6 shooter electrical system
12 RRS SDV6 HSE (Hers) - Gone and replaced with an I Pace - I can tell you now EV is not the future yet
Metalian Camper trailer 
 
Post #235844410th Jan 2024 2:56 pm
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Tim.S
 


Member Since: 30 Mar 2024
Location: Bristol
Posts: 7

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Ive just got one Very Happy
  
Post #236546930th Mar 2024 7:22 pm
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kajtzu
 


Member Since: 11 Aug 2017
Location: Helsinki
Posts: 6584

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

I’ve been chasing a lean bank 1, bank 2 or both condition over the last 6 months. It comes and goes. Sometimes a few drives one after another, sometimes weeks without anything showing up. Rolling Eyes

Have changed O rings and such, checked the air ducts for leaks, etc. etc. essentially trying to diagnose but attempting to avoid blindly throwing the parts cannon at the problem Mr. Green

I’ve used my trusty IID for this, particularly the live values, recording and exporting to PDF. I’ve been looking at short term trims, long term trims, O2 equivalence ratios and finally the observed requested mass air flow values. In particular with the last two I noticed that they tended to diverge quite a lot (requested 50, actual 30, etc.). Also the trims were all over the place often between 10 and 20.

About the only thing I figured out it wasn’t was O2 sensors since the equivalence ratios constantly looked fine with both banks very close to 1.0.

A friend wondered whether the current MAF sensor would be “tired” because they can age. I had applied CRC Airflow cleaner a few months ago when this happened the first time. It doesn’t do miracles, it seems Laughing

So, kind of on a lark decided to replace the current MAF sensor - which upon inspection turned out to be a genuine LR part manufactured in 2004 by Denso - with a brand new one also from Denso. The Denso part is DAN113, cost me 159 eur VAT 24%...Whistle

Based on the vehicle’s behavior after the swap it was well worth it! It seems like the car is more performant, it doesn’t hesitate at all when putting the pedal down and the trim spreads are very tight near zero. Also now the requested and actual MAF rates are constantly close to each other unlike with the previous sensor.

I’m amazed so far. I’ll see if it affects fuel consumption, too. One would imagine it does.

Hopefully this concludes the lean hunting for now. Knock on wood and all that. Laughing
  
Post #236908318th May 2024 8:12 pm
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Tim.S
 


Member Since: 30 Mar 2024
Location: Bristol
Posts: 7

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Ive been working through possibly a similar problem. Lumpy idle and a slight misfire at about 1000-1200 rpm. I had lean mixture codes and the long term trim was up around +10 to 12.

So far Ive found that a previous owner managed to strip the threads where the EGR valve attaches to the throttle body elbow allowing air to be drawn in there.
  
Post #236908718th May 2024 9:36 pm
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