Question about 2001 Oldsmobile Silhouette

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Low oil pressure light on, in OLds 2001 silohette

Low oil pressure light on, even though oil was just changed and at normal level.

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Oil pressure switch is short circuited.

Posted on Jul 30, 2009

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High temp low oil pressure light comes on after driving for a few minutes, then off when engine at driving rpm. At stop light (idle or low rpm) light comes back on. Normal driving it goes out.


You need to find out why you have low oil pressure. It is normal that as engine rpm's increase, the oil pressure will rise- the oil pump is moving oil faster. Even though your light goes out, you could still have critically low oil pressure. There should be sufficient pressure at idle to keep the light off. The light will come on when your oil pressure is almost nil- I believe for some it's as low as 8 psi. Normally, oil pressure at idle is specified anywhere from 15 to 40 psi. You would have to check specifications for your Expedition. To verify oil pressure, hook up a mechanical gauge at the oil pressure sending unit on the engine block. Check with a local shop.

The causes run from easy, simple to budget busting ruin. Low oil level, wrong grade oil, real old oil, oil leaks, internal oil leaks, worn oil pump, worn crankshaft bearings. It was pretty common on older very high mileage cars to have a fluttering oil light at stops and idle. It was time for a rebuild, or time to look for another car.

Jul 06, 2015 | 2003 Ford Expedition

3 Answers

Oil light on after engine warm-up on idle


this means a mechanical gauge test is required to check actual pressure warm idling if low below 20 psi then the oil pressure pump relief is stuck open or engine bearing are worn

May 15, 2014 | 2005 Opel Astra 1.4

2 Answers

Oil warning light flashing mean?


Normally, if you get a oil warning light signal (flashing) could be a few things related to it. Number one, you are low on oil. Check your oil level and make sure it is at full level. Number two, is possibly oil filter is dirty, ( time for service,oil change) or problem with oil pump or oil pump pressure. BUT I would first start with checking oil level and then maybe a oil change.

Sep 15, 2011 | 2001 Lexus ES 300

2 Answers

What does it mean when the oil light flashes on my 2006 sebring?


Low oil pressure. Causes: Old oil, bad oil filter, low oil level or even a bad oil pump.

Aug 26, 2011 | 2006 Chrysler Sebring

3 Answers

What causes the oil light to come on?


The oil light will come on orange if your oil level is low. The oil light will come on red if your oil pressure is low. The oil light will come on, then turn off if your oil level sensor needs replacing. Alex

Aug 04, 2011 | 2001 Chevrolet Cavalier

2 Answers

2003 olds aurora V8 40 oil warning light comes on low oil pressure Its showing 7lbs. What is normal and what could the problem be.This is at idleing only.


your oil pressure should be a lot more than 7 lbs, your oil filter may need changing, or your oil pump could be the problem ....hope this helps....cheers

Jul 06, 2010 | 2003 Oldsmobile Aurora

1 Answer

Past weekend check engine light comes on, engine sounds and feels fine. However the oil pressure is running slightly slow


Check that the oil level is full.If the oil has been in service for more than 4,000 miles, change it. Replace the oil pressure sending unit. If nothing changes, put a mechanical gauge on the engine and read actual oil pressure. Though "acceptable" low pressure is only 5lbs, I would never accept that as safe. Minimum pressure should be at least 20-25psi and normal running pressure between 35 to 45psi.
How low is "slightly low"?

Mar 22, 2010 | 1996 Jeep Grand Cherokee

1 Answer

Oil lite came on right after oil pan gasket


Hi. This issue has several causes, but the oil light indicator is a strong sign of low pressure in the engine. This will cause the engine lubrication rate to drop, thus, producing a illuminated oil light, and erratic Oil pressure readings. The necessary actions are to have a manual oil pressure test ran on this engine, asap. When running a manual oil pressure test, you will discover if the true oil pressure is low, or normal. If the test proves that the oil pressure is, indeed, low, this will confirm that the Oil pump is suspect.

Now, if the true readings given during the manual oil pressure test are indicating that the pressure is normal, this will be the result of a failed sending unit(oil pressure switch).

Dec 23, 2009 | 1985 Oldsmobile 98

1 Answer

Engine management light flashes.


that usually signafies and oil change,or it just may need a tune up try both ,dont forget to replace thecoil pack while yoru at it i had one and thats about normal also the eger pipe by the ehuast likes to break as well depending on what motor you have

Feb 19, 2009 | 2001 Ford Focus

4 Answers

Oil light is on


I had the same issue on my '01. I hoped the issue would just go away, but when it didn't I took it into the dealership. They found a sensor that had gone bad and replaced it. Fortunately, it was not engine-threatening. As I understand it, oil lights are not designed to tell you if your oil is low, it usually means your pressure is low, which could mean a compression issue. Better get it checked out soon if you haven't already. You may want to find a good auto repair shop (I found one on cartalk.com) rather than taking to the dealer.

Aug 12, 2008 | 2001 Dodge Stratus

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