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Old 27 September 2024, 16:13   #1
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Landrover Discovery 3 Reborn

For most of my towing I have a Landrover Discovery 3. I both love it and hate it at times in equal measure. As a tow vehicle it is second to none however.

A month ago I had the 4th EGR Valve fail so decided enough was enough. The best fuel consumption I would get was about 27 mpg.

I took it to a Specialist Landy Man who with a click of his fingers made the EGR Valves disappear as if by magic. He also did an ECU remap and got another 40 hp out of the engine. I had a tranny flush and new transmission oil and all for £660 incl VAT. I was chuffed.

It now runs and performs as these always should of done and it is like a new car reborn.

The interesting twist is I am now getting 31 mpg.... Double chuffed. It is running efficiently now you see.

If you have a Landy I would certainly consider doing this
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Old 27 September 2024, 19:42   #2
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I had a tranny flush
Not very PC Dennis.
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Old 27 September 2024, 20:00   #3
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Not very PC Dennis.
If ever I am PC please let me know so and can make sure it never happens again
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Old 27 September 2024, 20:02   #4
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Funny all this talk of egr removal, blanking or deletion in software, remapping, decating etc which I see loads on the car groups I belong to. In perhaps 20yrs plus of modern diesel motoring, and nine different models over that time, we’ve never suffered any issue in these areas. Drive them right and they’re fine.
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Old 27 September 2024, 20:05   #5
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For most of my towing I have a Landrover Discovery 3. I both love it and hate it at times in equal measure. As a tow vehicle it is second to none however.

A month ago I had the 4th EGR Valve fail so decided enough was enough. The best fuel consumption I would get was about 27 mpg.

I took it to a Specialist Landy Man who with a click of his fingers made the EGR Valves disappear as if by magic. He also did an ECU remap and got another 40 hp out of the engine. I had a tranny flush and new transmission oil and all for £660 incl VAT. I was chuffed.

It now runs and performs as these always should of done and it is like a new car reborn.

The interesting twist is I am now getting 31 mpg.... Double chuffed. It is running efficiently now you see.

If you have a Landy I would certainly consider doing this
Be aware, if you spend any time at all on Disco3.co.uk you'll see that MOT testers are getting very good at noticing missing EGR valves on D3s as you can see them down the side of the engine cover.
Far better to blank them off but leave them in place.

I removed them from my D3 and it did make a difference, I just wish the software in my D4 was as forgiving so I could do the same.
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Old 27 September 2024, 20:25   #6
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Be aware, if you spend any time at all on Disco3.co.uk you'll see that MOT testers are getting very good at noticing missing EGR valves on D3s as you can see them down the side of the engine cover.
Far better to blank them off but leave them in place.

I removed them from my D3 and it did make a difference, I just wish the software in my D4 was as forgiving so I could do the same.
No egr's removed on my car. It is all done by magic.
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Old 27 September 2024, 20:27   #7
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Funny all this talk of egr removal, blanking or deletion in software, remapping, decating etc which I see loads on the car groups I belong to. In perhaps 20yrs plus of modern diesel motoring, and nine different models over that time, we’ve never suffered any issue in these areas. Drive them right and they’re fine.
I am afraid I have to disagree with that. Nowt to do with how they are driven it is about the fact that stuffing up the exhaust and recirculating some of the exhaust is not wise and never will be. They are a very well known failure point.
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Old 27 September 2024, 20:29   #8
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You need to drive a modern diesel like a petrol to avoid these issues. My real life experience tells me that.
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Old 27 September 2024, 22:41   #9
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No driving style will prevent a modern diesel from choking up. It's a product of the emissions tech that has been added to them to try make them greener.

The only downside to EGR delete/remap etc is that you may have issues with your emissions results during MOT.
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Old 27 September 2024, 22:44   #10
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No driving style will prevent a modern diesel from choking up. It's a product of the emissions tech that has been added to them to try make them greener.
From what year is a modern diesel?
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Old 28 September 2024, 05:32   #11
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No driving style will prevent a modern diesel from choking up. It's a product of the emissions tech that has been added to them to try make them greener.

The only downside to EGR delete/remap etc is that you may have issues with your emissions results during MOT.
I only had it done after talking to several people who did the same and all got through the mot with no issues. Apparently it improves the emissions in that regard.
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Old 28 September 2024, 05:37   #12
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From what year is a modern diesel?
I wonder the same cos the Engine in my Lander Rover is only 2 down from the ones they now put into the latest Discovery and those did not change much.

Just like outboards the so called Modern Engines are far worse and dangerous in so many ways compared with what we had and was the standard 20 plus years ago.

The world is going backwards.

When I first came on here years ago people were all excited about and were buying new 20 hp 4 strokes in the sobbing world. Mostly people now are seeking out Yam 15 hp 2 strokes and Tohatsu 9.8 2 strokes........and it is not all about weight...........Speaks volumes me thinks
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Old 28 September 2024, 08:46   #13
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The reason I asked at what year is an engine a modern one, is I have a 2015 2.5,DCI Navara and I've never had a problem with it whatsoever. Average 31 mpg over 110k miles and that iincl towing a twin axle caravan. I will be looking to change it in a few years time, hence my question as I wouldn't want to change to something that is inferior .

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Modern Engines are far worse and dangerous in so many ways compared with what we had and was the standard 20 plus years ago
Why?
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Old 28 September 2024, 15:51   #14
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The reason I asked at what year is an engine a modern one, is I have a 2015 2.5,DCI Navara and I've never had a problem with it whatsoever. Average 31 mpg over 110k miles and that iincl towing a twin axle caravan. I will be looking to change it in a few years time, hence my question as I wouldn't want to change to something that is inferior .



Why?
Because they stop working, go into limp mode and other similar nonsense in places that can and are very dangerous. When towing which many of them are supposed to do this is of particular concern. The old Diesels without all the 'lets stuff them up nonsense' installed never did such things they just kept running. Just like our old 2 strokes like the one you just bought
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Old 28 September 2024, 16:08   #15
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In all the hundreds of thousands of miles I've driven a diesel I've never had it go into limp mode, guess I must be lucky.
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Old 28 September 2024, 19:27   #16
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Because they stop working, go into limp mode and other similar nonsense in places that can and are very dangerous. When towing which many of them are supposed to do this is of particular concern.
This is pretty scary, serious stuff. So serious that I presume you have plenty of examples to back that assertion up?
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Old 29 September 2024, 06:10   #17
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This is pretty scary, serious stuff. So serious that I presume you have plenty of examples to back that assertion up?
I have indeed. On one trip to Scotland towing my Rib the Disco 3 went into limp mode 5 times. And you have to pull over to reset. When on the M25 and around Glasgow when they were doing the big roadworks a couple of years ago with no hard shoulder and no refuge.

That was just on one day.

Are you not aware of these issues and limp mode
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Old 29 September 2024, 06:12   #18
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In all the hundreds of thousands of miles I've driven a diesel I've never had it go into limp mode, guess I must be lucky.
Or not got a Land Rover

Have a read

https://www.landyzone.co.uk/land-rov...p-mode.314715/
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Old 29 September 2024, 06:19   #19
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Our you Tube channel is very small but my video on how to sort one of the limp mode causes has 12,000 views in just over a year so sort of confirms the issue. I am surprised people are not aware of this

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Old 29 September 2024, 07:56   #20
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Or not got a Land Rover

Have a read

https://www.landyzone.co.uk/land-rov...p-mode.314715/
I took your statement ......"Just like outboards the so called Modern Engines are far worse and dangerous in so many ways compared with what we had and was the standard 20 plus years ago" ...... to be a general statement covering all modern diesel engines, not just Landrover.
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