Question about 4caroption 2002-2005 Chevy Trail Blazer Headlights Black

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Oil Pressure Low warning coming on my screen. What I have to do.

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Change the oil filter, make sure you have the right amount of oil - check the dipstick - if all this is good, then check the oil pressure - maybe you have a bad pressure sensor. Next step is to drop the oil pan and look at the inlet screen to the oil pump - if that's good, check the oil pump.

Posted on Nov 21, 2013

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Posted on Jan 02, 2017

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I have a 2015 volkswagon passat. And the low oil light keeps coming on and I checked the oil yesterday and the light went off and came back on today. But it's not the oil pressure light. ?


Keith, it probably is the oil pressure light.

Low oil level causes low oil pressure. But, as you say .. your oil level is okay. It may be the oil pressure sender which is at fault. There's every possibility that your oil pressure is fine, but the sender is sending a false signal to your dashboard which gives the 'low oil level' warning light.

Get the mechanic at your local dealership to stick his head under the hood. You'll get a diagnosis in seconds. I don't think you have too much to worry about .. just that 'low oil level' warning light is a bit unsettling ..

Jan 24, 2017 | Cars & Trucks

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I have 2002 gmc envoy, oil pressure low, stop engine warning only comes on when i stop on a hill?


The pressure regulator in the oil pump may not be working, the idle speed may be too low and there may be a lot of wear on internal engine parts lowering oil pressure

May 30, 2014 | 2002 GMC Envoy

1 Answer

Low oil pressure warning comes on


Make sure oil level is full, possible faulty oil pressure sender. replace sender and recheck, if warning still comes up, possible internal engine issue.

Jan 08, 2014 | 2002 Cadillac Deville

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My low oil pressure and low engine oil light are constantly coming on in my van but the oil is full?


If you have two different warning lights, it could be a wiring problem.
The low oil pressure warning could come on even if the engine is full of oil. If that is the only light coming on, it could be the sending unit or you could actually have low oil pressure.

Feb 25, 2013 | 2000 Chevrolet Venture

1 Answer

Why does the oil pressure light comes on


The oil pressure warning light comes on to warn the driver the oil pressure in the engine has dropped below 10psi.
The reason could be the engine is low on oil, or there is a problem with the oil pump or other internal engine component.
The oil pressure switch could also be faulty.

Jan 27, 2013 | 2004 Chrysler PT Cruiser

2 Answers

My car is Volkswagen polo 2001 1.4 automat. After driving 8-10 miles at a low speed(30-40 mile/h) oil pressure warning appear at the dash board. When I push the accelerator the oil pressure warning...


Do not assume that the low oil pressure warning is a false one or that you only have a faulty oil pressure sensor. Your engine may in fact be running with low oil pressure once the oil heats up and thins out. 8-10 miles of running is enough to get the oil hot. It is significant that you only get the low oil pressure warning once the engine oil is warmed up.

If the oil pressure in the engine is low, engine lubrication will be impaired and the engine can be badly damaged so you need to run an engine oil pressure check.

1. How long has it been since you have changed the oil in the engine? If it has not been changed in the past 6 months then change it and change the oil filter at the same time. You must only use the oil specified by VW for that particular engine.

2. When new oil is heated it thins. If it is old and contaminated it will be even thinner when warm. You will get less oil pressure when the oil is thin and hot and more oil pressure when it is thick and cold. Fresh new oil is a little thicker as it has not been diluted with petrol and other contaminants.
Oil pressure also varies with engine speed (RPM). At idle or low engine RPM the oil pressure is lower.

3. OIL PRESSURE CHECK
After the oil is changed the car needs to be run to check if the oil pressure warning still appears. (I suspect that it probably will). If it does appear then an independent oil pressure gauge needs to be connected up to the lubrication system in the car to check the engine oil pressure. This is best done when the engine oil is hot because this is when you are getting the low pressure warning. Any competent mechanic will be able to do this. ( The useless ones will not). The oil pressure can then be properly checked on the gauge at various engine RPM. If there is a low oil pressure reading from the gauge then there could be a problem with the oil pump, the oil pick up or the oil pressure relief valve in the engine.

4. You mentioned that you see the oil pressure warning disappears once you accelerate. I suggest this is only occurring because with an increase in engine speed (higher RPM) the oil pump speed is increasing and the low oil pressure problem is being overcome temporarily. However as soon as the engine RPM drops the oil warning will appear again which means the engine is running with below minimum oil pressure at that RPM.

Even when you get no warning, the oil pressure in the engine could still be running significantly below the optimum level.


5. It is possible that the oil pressure is fine and that the problem is an electrical gremlin as these cars suffer from a variety of electrical faults. However from what you have described I think there is a problem with low oil pressure in the engine and until it is properly checked it is unwise to assume that you are just getting false oil pressure warnings.

I hope this helps.

Dec 13, 2010 | 1999 Volkswagen Golf

1 Answer

Why is my Low Oil warning coming on. The dip stick shows the oil level to be fine.


You have low oil pressure. It can be nothing more than the oil pressure sending unit is leaking or defective or a bad filter. Remove the filter and install a Motorcraft, Purolator, or Wix filter. If that does not solve the problem, I would check the wiring and if it is ok, replace the oil pressure sending unit before looking for anything else. If that does not cure the low oil pressure then your oil pump may be weak or the oil pump inlet screen is clogged. Your car is 11 years old and if it has been neglected then that is a possibility. Do not drive the car with low oil pressure or you will destroy this engine.

Oct 28, 2010 | 1999 Mercury Mountaineer

2 Answers

1994 Lincoln Contiental DCL warning light keeps coming on.


uve entered the computer universe-my condolences--today everyting is connected in almost an imposible logic-u have an OBD 1 system-before 96-go hav car scanned to obtain a data stream to translate the codes that may appear-repair manuals explain these

Sep 08, 2009 | 1990 Lincoln Continental

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Jwezzy 09 : 2002 A6 3.0 Quatrro oil pressure warning light


You're low on oil - the Audi dipstick isn't the most accurate thing out there. Add a quart and see what happens.

Apr 27, 2009 | 2006 Audi A6

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