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Audi A8L W12 Oil pressure

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Old Oct 20, 2013 | 10:02 AM
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Default Audi A8L W12 Oil pressure

Oil pressure warning light came in today, stopped engine and restarted light came back on after 5 mins, stopped again and restarted light came on agin after 5 mins. oil level OK. Anyone had any similar problem? I am hoping it is sensor and not pump.. Where is the sensor located?
The light has me worried as oil & filter changed 3 months ago and no problems until today.
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Old Oct 21, 2013 | 09:35 AM
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Can't find a diagram.

http://www.audiusaparts.com/parts/20...SSURE%20SWITCH
I'm thinking if it's a bad sensor, it would show a lack of oil pressure at all times not after 5 minutes.

Last edited by vmk; Oct 21, 2013 at 09:44 AM.
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Old Oct 21, 2013 | 10:32 AM
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Oil pressure SWITCH is on the front of the engine, just next to the generator. If it is BSB engine it has another switch but I don't know where it is.
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Old Oct 27, 2013 | 08:17 PM
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Default On the W12, it should be...

integrated into the large housing where the oil filter canister screws in on the side of it. That's a very large casting overall and the sensor screws into it somewhere. I vaguely recall seeing it in the past, perhaps from the upper side under the air box (once removed). I was changing the oils today but didn't see it underneath; on the other hand I didn't have it jacked up much at all so I couldn't get my head way under there for a close up look see.
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Old Nov 1, 2013 | 01:21 AM
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Originally Posted by mishar
Oil pressure SWITCH is on the front of the engine, just next to the generator. If it is BSB engine it has another switch but I don't know where it is.
Good news, got oil pressure switch changed and everything is now OK, put into local garage as switch had to be accessed from underneath.
thanks for the help
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