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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2651

United Kingdom 
"Oil service"
My Defender is telling me that it will need an "oil service" in 1,000 miles.

The mileage is currently 15,000.

ls this just an interim oil/filter change, or is it the 21,000 mile first service that has been brought forward by the Defender's software due to the kind of driving that l do.
Post #1044001 27th Aug 2024 1:28pm
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DrRob



Member Since: 29 Mar 2017
Location: Hampshire
Posts: 149

United Kingdom 
Probably due to oil dilution increase as a result of lots of short journeys. MY25 90 D350 X-Dynamic HSE in Silicon Silver and coil sprung
1974 Series 3 Lightweight = "Millie"
Many Range Rovers and Land Rovers over the years ๐Ÿ˜‚
1949 80" - still in family since 1975
Post #1044021 27th Aug 2024 5:14pm
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2651

United Kingdom 
The oil has been changed twice, at 5,000 and again at 10,000 miles. So l assume the software is just guessing that the oil has become diluted.

l'll get it done, obviously. But is it just an oil change or the first service.
Post #1044037 27th Aug 2024 6:58pm
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Retroanaconda



Member Since: 04 Jan 2012
Location: Scotland
Posts: 2628

Scotland 
Oil service is just the oil and filter.

The ECU makes a guess at oil dilution based on running cycles, so when you do your own oil changes if you reset the counter with the IID tool then itโ€™ll know itโ€™s got fresh stuff in.
Post #1044045 27th Aug 2024 7:50pm
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DrRob



Member Since: 29 Mar 2017
Location: Hampshire
Posts: 149

United Kingdom 
Exactly that! If the reset is not performed then the car has no way of knowing it has fresh oil to reset it's calculations etc.
I think some folks change oil and don't reset hence getting weird messages. There is a way to do it without an IID on the L663. Couple of YouTube vids show it. MY25 90 D350 X-Dynamic HSE in Silicon Silver and coil sprung
1974 Series 3 Lightweight = "Millie"
Many Range Rovers and Land Rovers over the years ๐Ÿ˜‚
1949 80" - still in family since 1975
Post #1044087 28th Aug 2024 10:36am
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