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Discussion Starter · #1 ·
2020 Discovery Sport 10500 miles engine light came on booked in dealers for two days on collection shock horror.

New DPF and EGR, tailpipe full of ash total bill Five thousand eight hundred pounds (£5800) ..

Thank you Land Rover warranty ..(y)(y)
 

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My tip would be from now on would be to run the car on Shell V- power or equivalent, I’ve had my DS 2.0 180 diesel for just over 5 years & 37k miles, not had a single problem with the DPF etc having run it exclusively on V-power diesel, (other forum members have reported similar results)
second tip would be to keep your eye open for signs that the car is doing a regen (burning smell when stationary, poor instant fuel consumption on display) if you notice these do not switch the engine off & keep driving at a constant speed above 40mph for 40mins or so (untill fuel consumption returns to normal).
you will find many posts on this forum if you use the search button on this subjec.
 

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Discussion Starter · #3 ·
My tip would be from now on would be to run the car on Shell V- power or equivalent, I’ve had my DS 2.0 180 diesel for just over 5 years & 37k miles, not had a single problem with the DPF etc having run it exclusively on V-power diesel, (other forum members have reported similar results)
second tip would be to keep your eye open for signs that the car is doing a regen (burning smell when stationary, poor instant fuel consumption on display) if you notice these do not switch the engine off & keep driving at a constant speed above 40mph for 40mins or so (untill fuel consumption returns to normal).
you will find many posts on this forum if you use the search button on this subjec.
This is my second sport covered 82000 miles in my 2017 no DPF problems ran on V Power..

Two sets discs and pads and service items ..

Worked for nearly 30 years at Land Rover main dealers .....
 

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Our D240 manages a regen in around 15 minutes - then again I do have the advantage that I can (and do) monitor the regen status via the OBD port on most days.
I suspect that the ash buildup is happening as the regen used to take her down to 14%, but now only down to around 20% - that's supermarket fuel for you
41,000 miles
 

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Interesting point. I usually run on Shell Fuelsave, with a tank of V-Power every fourth tank, and like you monitor the DPF constantly….the percentage used to drop down to 12-14% after a successful regen (once got it as low as 11%), but when I used Asda diesel in the summer as a one off, whilst it successfully regenerated, it stayed at 22% and 24% respectively.

There is something to be said about supermarket fuel, contrary to all the nay-sayers. It’s certainly missing “something”, that’s for sure. Use a decent fuel, they’re all within pence of each other today anyway.
 

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Can still hardly believe that owners get no indication of when a Regen. is in operation!!
If I knew when it was happening, I could easily drive on for a few more minutes to allow sequence to complete. What kit do you folks use to see a Regen?
 

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There was a topic on here a couple of years back about various compatible devices. I settled for an OBD Link MX-Pro personally, which has been invaluable.

 

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Can still hardly believe that owners get no indication of when a Regen. is in operation!!
If I knew when it was happening, I could easily drive on for a few more minutes to allow sequence to complete. What kit do you folks use to see a Regen?
My nose & eyes 😆
In the first instance from smell & significant rise in fuel consumption from dash read out.
If you sense it might be doing one Don’t turn the engine off but when stationary open your door & usually you can feel the heat being given off by the DPF underneath the car
 

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My nose & eyes 😆
In the first instance from smell & significant rise in fuel consumption from dash read out.
If you sense it might be doing one Don’t turn the engine off but when stationary open your door & usually you can feel the heat being given off by the DPF underneath the car
So you need to always have the instantaneous fuel cons. screen showing to see when a Regen is happening. What sort of figure are we talking about here?
 

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That’s normally the first thing I notice & goes down by about a third to a half what you usually see.
In a higher gear 8th or 9th at around 65-70mph & on the level then 19 -27mpg as soon as it returns to normal you can conclude the regen has finished (This seems to have worked for me over the last five years & with no DPF warning lights or problems in that time)
 

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"There is something to be said about supermarket fuel, contrary to all the nay-sayers. It’s certainly missing “something”, that’s for sure. Use a decent fuel, they’re all within pence of each other today anyway. "
The supermarkets use the same base fuel as the specialist firms - comes out of the same tank. Everyone uses their own additions, and it's these additions that determine the different burn / lubrication properties of the fuel. They also add invisible dyes that mean that they can tell by dipping the tank who's fuel is in the tank, so if for instance a major brand suspects that a franchise is using someone else's cheaper fuel, they just buy a few litres, send a small sample through the analyser and they have irrefutable proof of fraud.

You have to remember that the additions to fuel are not only expensive, but the research into the effects of the additions are also expensive. There was a case 10-15 years ago were a certain supermarket changed the formulation of the additive pack and quite a few Vauxhalls needed new engines.
 
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