Question about 1992 Cadillac Seville

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Low oil pressur false warning light

I have a 1992 sevill at 170 degres and above i get a low oil pressur stop engine warning and then i lose power to the car . under 170 degres it runs good why why why

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Replace the faulty oil pressure sending unit.

Posted on Apr 23, 2009

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Posted on Jan 02, 2017

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Would a bad oil pressure switch cause a no start on a 98 b2500


Hi,
Symptoms of a bad or failing Engine Oil Pressure Sensor
  • Oil Pressure Light comes on, and you check the engine oil level, But oil level is okay, you can blame the false reading on the sensor.
  • Oil Pressure Light blinking constantly. This is the normal >check< oil pressure sensor Warning that the sensor is going out.
  • If the sensor is giving false readings, Dispite oil level, the sensor could be replaced.
If the Sensor is currently not working, and does not warn you of engine oil level, and oil level gets extremely low, The Engine could burn up/stall due to lack of oil, and may not restart.
Then you could probably blame it on the sensor.
But really would be lack of oil.

Intermittent No Start,
Common causes deal with 3 basic systems/areas of engin
  1. Compression, its the build up of air and fuel into the engines cylinders. Then is compressed by the pistons. And is under pressure. FAILURE An Air leak (vacumm leak) will allow pressure to escape.
  2. Ignition System, good battery, good relays, wires are not loose or disconnected, good 10volts to starter, 10volts to distributer>gives 20kvolts to spark plugs>has strong spark to ignite compressed air in cylinders. Other sensors need to work. Crankshaft sensor(ccs) Throttle Position Sensor(TPS), +more
  3. Air/fuel Ratio, Air Intake Manifold, and Fuel Pressure Sensor *Fuel Injection Pressure Sensor---if car is fuel injected*, air filter is clean and intake manifold hose, Throttle Plate Acuater, Idle Air Contro Valve(IAC). Also vacumm leak cause no start. To much air not enough fuel will cause lean fuel mixter==low power, low idle, no start.......To much fuel not enough air will cause rich fuel mixter==too much fuel could cause engine knock, flooding of engine wet spark plugs, No Start
Scan Vehicle computer for Codes, Places like AutoZone---Discount AutoParts will connect scanner for free, And Code Will say What is wrong with Vehicle,

Mar 08, 2017 | Cars & Trucks

1 Answer

My tdi 2007 jetta engine cut out after overtaking a truck. On further investigation there is no oil on the dipstick but there were no indicator lights on for oil or other warnings. What could be the


The oil warning light has nothing to do with oil level. That is not the way this warning system works. The warning light comes on when the oil PRESSURE drops too low as determined by an oil pressure switch installed on the engine. So you could have low oil on the dip stick but still have enough oil to maintain oil pressure in the engine. It is also possible that the oil pressure sensor is faulty. This probably is not connected to the vehicle cutting out when passing the truck. That could be something as simple as a dirty fuel filter or clogged injector. Since you are losing oil there are a variety of problems that your engine could be having.

Dec 10, 2016 | Volkswagen Jetta Cars & Trucks

1 Answer

2007 chrysler pacifica oil light comes on and car loses power while driving


Having changed the oil sending unit it is a fair bet the oil light is operating accurately unless there is a wiring problem in addition.

Presumably you are referring to the oil pressure warning light rather than a light warning of a low oil level or high oil temperature? If you are in doubt I suggest you read your vehicle handbook.

An engine should not be operated with low oil pressure and it is risking some very expensive repairs and a lot of inconvenience if the cause is not located and rectified as soon as possible.

A common cause of low oil pressure is the engine could be dirty inside due to infrequent oil changes or poor quality oil. Another possibility is an oil pan or sump that is dented due to grounding. The suction pipe is only about a quarter-inch above the bottom of the oil pan and a relatively small dent can prevent a sufficient supply of oil reaching the oil pump.

I hope this helps.

Jan 15, 2015 | 2007 Chrysler Pacifica

1 Answer

Stop engine oil presssure low warning


do u have enough oil in it ,is you light giving a false reading get a manual oil pressure gauge and make sure or your oil pump can be going bad , your main bearing are going bad , be more specific here ,

Mar 28, 2014 | Peugeot 307 Cars & Trucks

1 Answer

Check engine oil pressure light coming on and causing engine to die. After 5 minutes, no light and no engine trouble.


Yes I would say the oil pressure switch is faulty. The oil pressure gauge uses a different sensor, so if the gauge did not drop but the warning light came on, I would have the warning light switch checked. If the warning light comes on, the fuel pump will stop getting power and you will lose fuel pressure too.

Jun 27, 2013 | Cars & Trucks

1 Answer

02 Merc Sable loses a little power and oil light flashes


Have you checked the oil level in the engine ?
The oil warning light is for low oil pressure - but it could come on if the engine is low on oil too.

Jul 27, 2012 | 2002 Mercury Sable

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

I have 55,688 miles on my 2003 CTS. The low oil pressure/stop engin warning light comes on after I have been driving for 20 minutes or so only when car is idling at stop signs. The oil registers full and...


The oil pump could be bad, or going bad. Oil pressure is effected by wear on the crankshaft main bearings and camshaft/s bearings. If those bearings are bad, that would make it lose oil pressure, but I wouldn't think it's time for a new motor at that mileage!!! I would find out what the actual oil pressure is, using a "wet gauge" or oil pressure gauge. The oil pressure sending could also be bad, giving false readings.

Oct 20, 2010 | 2003 Cadillac CTS

1 Answer

1992 honda accord 245,000 miles oil light blinking while idling and once while I was driving the oil level is good. what could be the problem


Oil light relates to oil pressure, not oil level. If engine has not been rebuilt, it is safe to assume that it is nearing the end of its life. Low oil pressure light goes off on increased rpm´s , and hence, pressure goes up. You can extend the life a little bit by switching to heavy oils, such as 20W-50, but eventually it also wont be enough, and will start fouling the plugs. Check the oil level, because extremely low levels of oil can also produce a low pressure warning.

Feb 18, 2010 | 1992 Honda Accord

1 Answer

I have a 1992 toyota camry LE, 4 cyl. and the oil indicator light keeps flickering on and off, what is the problem. I have checked the transmission and the oil levels and they are all okay. Confused as to...


Is it an oil pressure light or an oil change light (check the owners manual) If its an oil change light it may be time to change the oil. If its an oil pressure light you could have a short to ground in the wiring or at the oil pressure sender mounted on the engine. Also are you checking the engine oil with the engine running or off. The transmission is checked with the engine running, engine oil with engine off. If it is low on oil it will intermittently flash. Also when you check the oil wait five to ten minutes after the engine stops to let the oil settle before checking or you may get false readings.

Apr 02, 2009 | 1992 Toyota Camry V6

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