Thread: Are OZ disco 5 suffering from fuel in oil and early service warning issus?

Originally Posted by meremortal

Thanks so much for this incredibly comprehensive explanation of the issue. My All New Discovery is in again today getting it's second oil change. It's done 9740 kms. The service technician assures me it's over eager software and will be resolved with a software update. I'm less inclined to believe him and more inclined to believe that it is a genuine fault with the car and that it literally is not fit for purpose for my style of driving which is very much what you describe. Will be prepping for legal action following this service unfortunately. Last thing I want to be doing at the moment but I also don't want a car that needs an oil change every 5000kms.

You'll need to get the oil sampled to find out if it is actually over eager software or if it is flagging the issue correctly. You could also use a blotter test which is easy if you have a dipstick - but not being familiar with the new engines I have no idea if they have one or not. If its something that you need to get the device guys to do then its probably simpler to give them a sample bottle at service time

How do you do the blotter test?


V6 here, 3500 kms so far no issues (touch wood).

I am a bit mystified as to why LR decided to not follow GMs lead and use an injector situated on or near the DPF to regenerate it.

I saw a Utube video where the various methods were discussed and to me as a DPF layman it looked to be a "no brainer" to use the GM method ,as it does not involve diluting the oil.

My only thought is that GM have a patent on their method and would charge a licence fee.

Of course people are going to want to drive their car in urban areas

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I wonder if LR will be forced to change the whole system as it looks like a crock at the moment.

Originally Posted by Bilby

How do you do the blotter test?


V6 here, 3500 kms so far no issues (touch wood).

you can use a business card or specific blotter paper. Put a drop of oil onto it and watch what happens. If fuel dilution is present then you should get a black circle with a lighter yellow ring around it - a very light narrow ring around the spot would be normal, but if it spreads out then theres fuel dilution present. Quick google search I found this image.
2018-03-18_7-05-30.jpg

Last week mine went from 12,600 to service to service due now in 2 days,called the dealership and they had it for 2 hours,came back clean and 13,300 to service.might get excited and see if they done anything under the bonnet tomorrow.

Checked today no oil change,software update done ? driving style - no stop start city, ours usually sits for 9 days then do 1,000 km + in a day or 2 then sits again for 9.within 4 km of home doing 110 for a few hours,when towing the van same. have filled def 10 litres once in 11,000km

I see there is already a lot of info about the oil dilution service. It seems that there is a service campaign to change it free of charge the first time, but cost the owners every one since. I love my disco and had to fill adblue at 9k. I have a hse td6 and paid for the service plan as well.

So my car went from 1500km until service to 0km over 2 days last week, with 8700km on the clock. It went in today for an assessment and I was told it was a sensor and software issue without an oil change required. Does anyone know how to get an oil sample without draining it as there is no dipstick on the TD6?