Question about Cars & Trucks
Posted by Anonymous on
Scared is good (unless you are independently wealthy).
It would be wonderful if your OIL SENSOR (pressure switch)
were suddenly bad... but that is not the way to BET YOUR MONEY.
More likely it is a problem with the OIL PUMP itself or
worse general wear condition of the engine (can't
even properly speculate without the year, mileage and
an operating history of the vehicle...
HELP us to help you: INCLUDE INFORMATION...
AUDI A6 spans decades... Quite a wonderful vehicle
(highly technical, diagnostics that predate industry
on-board diagnostic standards...
(See FACTORY specifications at bottom).
For my MONEY... (FREE services available)
I would look to the MANUFACTURERS TECHNICAL SERVICE BULLETINS and WIRING DIAGRAMS available on BBB Industries website (see bottom, below)... REGISTRATION is required as these are REAL DOCUMENTS..
I would also attempt
Driving a vehicle without adequate oil pressure can
destroy the engine (easily).
If you are not into taking the ALARM seriously...
by all means keep shopping for an ALARM SWITCH
that will fail to tell you... "you are in serious trouble".
Hopefully the CLATTER of your engine will hold
your attention... until you properly address
your OIL PRESSURE PROBLEM.
TIMELY maintenance will hold down costs considerably.
2008 AUDI A6 3 2L V6 Oil Pressure Sender Switch RockAuto
BBB Industries Premium Alternators Starters Power Steering Products
Sample FACTORY WORKSOP MANUAL
Audi 80 1987 Workshop Manual Page 25
Carnac the Magnificent
Posted on May 22, 2017
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Posted on Jan 02, 2017
Depending on the amount of miles, maintenance records, or how hard the car has been driven either by a previous owner, or by yourself. The engine's main crankshaft bearings or the connecting-rod bearings could be excessively worn.
Also, it could very well be a wiring problem to the sensor and/or computer causing the problem.
Posted on May 16, 2008
SOURCE: Low Oil Pressure and rough idle
Please understand, all I can offer you are suggestions, since I don't have access to hands on testing. You might first change oil and filter.
If going by the oil pressure guage, low oil pressure can mean worn crankshaft bearings, as the clearance between bearings and crankshaft is what determines oil pressure.
Of course a worn oil pump can cause the same problem.
You might want to connect an external oil pressure guage to the engine to verify the pressure reading.
The rough running at this point would be hard to pin poit.
Because I do not know the extent of the rust, I can suggest that you consider having it undercoated.
Again, I can only make suggestion because you need an absoluate diagnosis.
Posted on Nov 27, 2008
I hope that you had the proper weight oil installed, at your oil change. If your oil is up to the proper level, and it's rattling ,this is VERY bad. White smoke usually means steam in the exhaust, and that means a blown head gasket. Check your coolant level. I wouldn't drive it anymore......until someone knowledgeable can diagnose it!!!!!
Posted on May 30, 2009
sounds like a faulty oil level sensor i,v replaced them in the past you need to get it checked first because the sensors aren,t cheap
Posted on Aug 02, 2009
The Aurora is a low pressure oil system. The only solution available at this time is to increase the oil weight. I went o straight 30W to solve the idle alarm issue. Some use 20W oil and that works too.
With 20W you will be at 80 to 90psi cold then drop to 20-30psi hot.
I first replaced the oil pressure gauge and it was worse. I put the original back in and it was better. Then went to 30W and all is fine.
Running it that way for a few years now.
Posted on Apr 03, 2010
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