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Nigelblandin
Member Since: 14 Dec 2023
Location: Suffolk
Posts: 3
  
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| Oil level critical message |
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Just going along the M25 yesterday, red warning “Oil level critical” flushed up. I stopped and checked for leaks, had seen no smoke and waited to check the oil level ( give me a Flippin’ dipstick any day!) and the level is on the top mark….
I had the GAP tool in the car, so plugged in and no faults.
Started up and the warning is gone.
Drove home, checked oil again and perfect….
Any previous form for this panic warning?
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 3rd Feb 2024 9:27 am |
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itsaguything
Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 256
  
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Well, I don’t see how you have an option. I too would have no confidence in your current situation.
If the electronic oil level sensor cannot be relied upon, you have 2 choices;
1. Replace it.
2. Provide an alternative manual solution.
Unfortunately with 2, you will continue to receive these alarming messages which may cause your heart to miss a beat.
I read in one thread the interesting solution of using a lawn trimmer line down the extraction tube as a dip stick. I think that is clever but if you are to do this properly, I would aim to disable the oil level sensor…. as I do not have systems flow diagram I am not sure how that will affect the other ecm managed systems. 2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green
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| 3rd Feb 2024 11:08 am |
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Nigelblandin
Member Since: 14 Dec 2023
Location: Suffolk
Posts: 3
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Thanks for that. I did some digging on this fine forum and found this;
https://disco4.com/forum/topic187247.html
So, I will knock up a diy dipstick for today. Probably drain the oil and check how much comes out.
It appears it’s a sim off job for the sensor….Guess what that probably entails. Belts need doing soon, so I think it’ll be then that I do it.
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| 3rd Feb 2024 12:24 pm |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8225
 
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It’s still in use!  It can when others can't,
It will when others won't,
It goes where others don't.
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| 3rd Feb 2024 3:06 pm |
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Nigelblandin
Member Since: 14 Dec 2023
Location: Suffolk
Posts: 3
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I tried the curtain wire, but I really can’t get it past 90cm down the tube. Tried everything, twisting, turning, lubing…oo-err.
I’ll look for a thinner nylon tube, I can picture it, just need to find it.
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| 3rd Feb 2024 4:35 pm |
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sub
Member Since: 04 Jul 2022
Location: Cheshire
Posts: 99
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I've had the critical oil warning light twice, weirdly both on the same journey on a motorway, and at about the same time into the journey.
I suspect it's a sensor issue, but I figured I'd treat it as time to do an oil change and be certain so I can sleep at night.
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| 4th Feb 2024 8:06 am |
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Dondiddy
Member Since: 26 Dec 2019
Location: Hamilton
Posts: 309
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I had the same issue on mine which I put down to oil dilution due to lots of short journeys. I changed the oil and filter and the message never came back.
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| 4th Feb 2024 12:59 pm |
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Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1664
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Yes, I suppose critical could also mean too much, but don't know if that is possible with this message. When oil dilution occurs and the oil level has previously been showing full, the message overfilled shows up when you do an oil level check using the service menu option.
Perhaps the OP should check the oil level readout for this message. Gary
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Discovery 4 HSE 2016MY
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| 4th Feb 2024 1:37 pm |
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