Did about 1k miles around wales last week and on the drive home my Oil light came on. Min oil..... The yellow one with the Oil can.
Checked the Oil and it was mid way between the 2 raised edges, so well within limits.
Today I filled it right to the top edge, and yet still the light remains.
Does it need a reset with VCDS ? Does the light ever refer to anything else ? Such as low pressure ? Is the sensor prone to failure ?
Car still runs and drives without any issues, zero smoke and is clearly not using much/if any oil.
Thoughts please gents ? I'm going to run VCDS on it when I grab a spare 5 mins anyway.
Oil Light On....
Re: Oil Light On....
There are 2 yellow warning lights for oil. One is for level the other is for the level measurement sensor. Can you post a pic of the warning light?
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
Re: Oil Light On....
This is the light in question......
Re: Oil Light On....
Yup. It thinks the level is too low. Sensor must be duff. But not in a way that the diagnostics can recognise.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
Re: Oil Light On....
As long as it has nothing to do with pressure, that's all that was really worrying me.
I'm guessing it's not an easy sensor to get to, knowing these things.
I'm guessing it's not an easy sensor to get to, knowing these things.
Re: Oil Light On....
I’ve got a feeling it’s in the bottom of the sump pan, but I could be thinking of a different car. Need to look it up. I don’t think it’s difficult to replace. Except you’ll need to drop the sump and redo the gasket which I hate.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
Re: Oil Light On....
Yeah, in the sump pan.
I actually think you can might be able to do it without removing the sump too.
But if you do, the sump seal is just a 1mm seam of silicone.
I actually think you can might be able to do it without removing the sump too.
But if you do, the sump seal is just a 1mm seam of silicone.
Last edited by Mɐʇʇ on Mon Sep 06, 2021 8:59 pm, edited 1 time in total.
"not a professional engineer, mechanic and mechanist"
Re: Oil Light On....
Many thanks for the advice as always 
Re: Oil Light On....
From the picture seems like an easy job, or? (part #1 : 1J0907660C)
RS6 C5 Avant 2003 Daytona Grey
Loba 650 turbos - Wagner IC - 200 cells cats - Milltek cat-back - Hotchkis bars - Bilstein B16 - MTM Wheels - oem coolant cap
Loba 650 turbos - Wagner IC - 200 cells cats - Milltek cat-back - Hotchkis bars - Bilstein B16 - MTM Wheels - oem coolant cap
Re: Oil Light On....
Yeah. Just remember to drain the oil out of the sump first.
Seem to remember seal 1a is quite tight and needs a bit of a wiggle/tap to get the unit back in
Seem to remember seal 1a is quite tight and needs a bit of a wiggle/tap to get the unit back in
"not a professional engineer, mechanic and mechanist"
Re: Oil Light On....
And.... for the last 2 days she's decided to fix herself ! No oil light anymore ! Let's hope this is a trend she repeats over the next several years 
Re: Oil Light On....
Another Christine. Better keep her away from Steve’s.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
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steve2003rs6
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Re: Oil Light On....
Ha ha. Weird how some faults fix themselves. But it’s a great feeling.
Hoping my oil leak does the same but I am not holding my breath.
Just waiting on unit 20 to get back to me. So we can put a plan of action in place.
Hoping my oil leak does the same but I am not holding my breath.
Just waiting on unit 20 to get back to me. So we can put a plan of action in place.
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