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Oil Pressure Low Switch Off Engine...Audi A4 B8 1.8Tfsi has two oil pressure sensors, one brown next to oil filter,and one blue mounted in front of the engine.Change both before spending any more cash on an expensive wild goose chase.
This could be a low oil pressure problem or a failing oil pressure sending unit (sensor). It could even be diluted engine oil. If it has been a while since the engine oil was changed, then change the oil and filter. If you still have the problem, then perform an oil pressure test and measure the actual oil pressure. It should not drop lower than 7 PSI at idle with a warm engine. If it does, then there is an internal problem with the engine like failing oil pump or worn bearings. If the oil pressure tests ok, then have the oil pressure sending unit replaced.
Hello. Hopefully I can help clarify things for you. The sensor just senses the amount of pressure you have and lets you know if it's low. The oil pump pumps oil from the pan to higher parts of the engine via the valley (just under the intake manifold for the lifters etc...) Oil PRESSURE is created by the main engine bearings on the crankshaft. When the mechanic revved the engine the higher rpm caused the engine to turn faster making it able for the main bearings to create enough pressure to turn it off.
The easiest way to explain how they create pressure is probably like saying something like...Think of being in a swimming pool. If you put your fingers together, cup your hand, and try to splash someone slowly...what happens? Now do the exact same thing quickly and you splash them. Higher pressure from the same hand that did nothing.
You may be able to find a good used engine on Car-part.com. It's a salvage yard resource from vehicles that have been junked. Quite often the primary damage to them is from an accident.
I hope I've helped. If so, please rate my answer, and leave a comment. I wish you good luck.
when new AUDI use 10/40 semi synthetic(gemini)for annual/10k services and 10/40 fully synthetic for extended services.WHAT WAS YOUR CAR SET TO WHEN NEW????bet you aint got a clue.(the new owner must specify before collection and it aint written down.....)the vast majority of owners never ever know that they can specify.....the code on the chassis sticker (3"square paper)reads sg3. which means customer selectable.
does the oil pressure gauge show low oil pressure?is it low oil pressure light? or low oil light? 2 sensors on this vehicle.make sure you get a chevrolet oil sensor,aftermarket sensor do not do well,make sure your using 5w30 or 10w30 wieght oil,if you are putting out over 20 lbs at idle in gear,i see no problem,should go up to 40 or better on accel,if it is low oil pressure and the gauge conferms,possible engine wear
could be a few things-(if oil pressure is showing low usually under 20 lbs recheck oil level) bad sensor,oil pump,low oil level ,sludge have truck scanned for trouble code some stores such as auto zone / advanced auto scan for free
On the Brakes, take each wheel off in turn, and check each wheel HUB in turn to ensure there is no break or chafe on the exposed cable, or that a plug in has not disconnected.
At the same time check that each HUB exciter ring for ABS sensor is clean and not broken/missing.
Then check that each ABS sensor which is located on each back mount, is clean and air gap set at approx. minimum of .010 inch [10 thous. of an inch] between the "nose" of the sensor and the exciter ring on the HUB.
I would need to know about the OIL pressure problem.
Is it the LOW OIL pressure lamp that was glowing continuously, or the Pressure Gauge reading that is "acting up"?
It could simply be maybe the person changing your oil never reset the light? or you have a oil pressure sensor leaking or not working.
most of the time its someone never reset the oil change light. even before it goes on it goes by mileage, so maybe it didnt go off yet cause you cnahged it a tad early.so noone even tried to reset it.
I guess you could have an oil pressure problem, but thats going the extreme route.. but if nothing else shows that could be a problem.