Question about 2010 Mercury Grand Marquis - All Grand Marquis models - Car Sun Shade

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How to find out what causes the oil to rise

When the oil goes up and down real high

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I'm not sure about the question but if you mean oil pressure,it can be the pump going bad,head gasket leak,dead cylinder. Check one thing at a time until you find the issue.

Posted on Aug 07, 2014

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Posted on Jan 02, 2017

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I have a 2009 passat cba engine 2 ltr oil level rises in 3 hours fuel not a tandem vacuum pump and it runs a treat no smoke until oil level rises high starts first time every time no misfire


Do you smell gasoline in the oil? If you do the diaphragm in the engine transfer pump is leaking. You have to determine why the oil level is rising in order to find the cause.

Aug 01, 2016 | 2009 Volkswagen Passat 2.0T

2 Answers

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

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Oil level rise on dipstick. Engine producer a dense cloud of white Smoke when running. Engine also runs rough.


Just a few things to check that might help. White smoke is normally caused by a lean running carburetor. Look for two adjustments on the carburetor. The low speed adjustment is a screw about center in the carburetor body. If there are 2 screws, look for a raised letter "L" next to 1 of the screws. Turn this for best run at idle. The high speed adjuster will be on the bottom of the float bowl or the second screw near the first one. Set this one for best run at high speed. High oil in the crank case is harder to detect. Check the crank case breather. It can be anywhere on the crank case. You need to remove a simple, sheet metal cover open at the bottom and normally has 2, 5/16 or 1/4 inch screws holding it on. Under it will be a small, round check valve or a small piece of hog hair. Whatever it is, clean it real well. Sorry this is so brief, its difficult without seeing it.

Dec 14, 2013 | Husqvarna Lawn Tractor 48" Deck, 23 Hp,...

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At idle the oil pressure light comes on


i would say the car is safe to drive.IF the pressure sensor was working correctly, and your engine was a complete dog, then you would expect there to be some loss of oil pressure, but not 0 to 4bar in a blip of the throttle.given that the oil pressure sensor is a common fault (and it controlls the oil pressure light, it is not a seperate switch), i would say the sensor has a 'dead' spot on it, and a blip of the throttle just sees it outside the dead zone of its reading, and pings back to 4bar (its natural to get a slight rise in oil pressure when higher revs are acheived). 4bar is the right value, its what mine sits at. maybe a tiny bit under (3.95) when the engine is very hot/in traffic the oil pressure is reading just over 4 at all times, dosent go up or when accelerate or down at idle is this normal, used to mercedes W124 where it can register .3 up on idle but when accelerate it should goto max, ie 3 bar Whats the mileage on the car. Sounds like It certainly is suffering from low oil pressure at tickover, but loads of cars do and continue running for thousands of miles. blue/white smoke on start up and that points to valve seals and, yes, the head would have to come off to replace them, but it's normally just blue smoke. White smoke points more to head gasket, but that would be replaced anyway when doing the valves.Bet the engine sounds smooth as silk too
Oil pressure is determined by the rate at which oil flows through the internal combustion engine of a car. Low oil pressure is a real danger for engines, as it indicates that the bearings in an engine have worn, allowing the oil to flow more easily and at a lower pressure. However, high oil pressure is generally not a concern for motorists. Oil pressure fluctuates with the heat of a machine, and though high oil pressure can indicate a serious problem, it generally means the engine is in an adjustment period.Oil Pressure at Idle For many cars, oil pressure is much higher upon start-up or while idling. The reason for this has to do with the temperature of the engine. When an engine has been sitting turned off, it cools down, as does the oil that flows through the machine. Upon start-up, the engine temperature begins to rise. As it rises, so to must the oil heat up to find a level pressure to flow through the machine. Cooled oil is thicker, causing it to flow more slowly and at a higher pressure through the machine, until it reaches its optimal operating temperature.Pressure Relief Valve Recurrent high oil pressure, even after the machine has been running for a while, can indicate a problem with the pressure relief valve. The pressure relief valve is responsible for regulating oil pressure throughout the internal combustion engine. It is a safety device intended to keep vessels or piping from experiencing extreme pressure. When this device is malfunctioning, it will cause high oil pressure in an automobile.Types of Oil The type of oil put into an engine can also account for extremes in oil pressure. Low-weight or thin oils will operate with low oil pressure, as they will pass through the machine quite easily. Thicker oil will pass through the machine at higher oil pressure readings. Generally, after an oil change, when fresh oil is introduced into the machine, oil pressure will increase. This, however, is only a sign that the oil that formerly operated your car was too thin for optimal performance.

Oct 19, 2011 | 1995 Jaguar XJ6

1 Answer

Gas in the oil


When a fuel injector is stuck open, the fuel will flood out. Gasoline will definitely get into the oil when this is the case.

If the fuel pressure in your car is too high (above 7 psi) that may cause gasoline to get into the engine oil.

Gas could also leak into your intake manifold if there is a carburetor problem.

An inoperative injector system can also cause this problem, because if the engine is not firing appropriately, the gasoline will end up running down the walls of the cylinders.

Check to see if the float in the gas tank is rising the way it should be rising or if it needs an adjustment. You will not be able to look at your gas gauge and get an accurate reading If the float is not functioning properly.

Your engine may be running rich, with too much gas going into the engine and too little air.

Check to see if the oil level might be really high. This can also cause trouble

Two ways to tell if you may have a problem with gas in your engine oil are:
1. If you start to smell a strong odor of gasoline while you are driving.
2. You notice white clouds of smoke coming out of your tailpipe.

If a large amount of gasoline does get into the engine oil, change the oil immediately upon fixing the problem that has allowed this to happen.

Jul 08, 2011 | Lexus ES 300 Cars & Trucks

1 Answer

When my machine goes into the next to the last rise I have a loaf about 5' but then when it goes into the last rise before it bakes it never rises high again. The finished loaf is about 3 1/2" high....


Not fully understanding this but it sounds like you are opening the lid too much and spoiling the rise. Only open the lid when at the dough stage if necessary.
Bread will not keep warm, it will steam and go wet and soft in the pan. Open the lid when the cycle has finished and remove the loaf.
Try re-setting your machine by holding down the start button till the display goes out.

Jan 28, 2011 | West Bend 41048 Bread & Dough Maker

1 Answer

Oil pressure drops when idle and trouble light goes on. When rpm's rise the oil pressure goes back to normal levels and the light goes off.


Your oil sending unit might be malfunctioning. If you have oil in the car and there isn't sludge or other factors that might cause the light to go on, have your mechanic check that oil sending unit.

Dec 16, 2010 | 2001 Jeep Cherokee

2 Answers

When the engine temperature is cold the oil pressure will climb depending on the RPM's. If I keep the RPM's below 1800, the oil pressure will remain at 3/4. If I go beyond 1800 RPM's with the engine block...


You need to have a mechanical test gauge hooked up to see if this is a false reading, this special gauge goes into the oil sender tap in the block and will let u know for sure if the pressure is to high cold, if it is the most common issues are wrong weight of oil, do u use oil heavier than 10W-30W? any other oil like 10W-40W will cause high oil pressure readings, the reason is the very tight rod and main bearing clearance's the engines now use, it is only about 1/2 the clearance of older engines, that is so the new fuel saving thin oils can be used.

May 13, 2009 | 2000 Jeep Wrangler

1 Answer

94 GMC sonoma needs head gasket


no real pit falls just drain coolant remove head have head checked at machine shop. Clean engine surface good and rise good with brake clean, make sure head gasket is on correct before head goes on bolt down with proper torque and sequence then finish up then drain oil.

Jan 16, 2009 | 1994 GMC Sonoma

2 Answers

Pioneer DEH-P760MP CD Player


This sounds like the voltage regulator in the alternator of you car is the problem - take it to an auto repair electrician and get him to check it, as this may cause all sort of other problems too Hope this helps, please post again if the regulator is not the problem (though i'm fairly sure) and we can hopefully help more :)

Apr 22, 2007 | Pioneer DEH-P760MP CD Player

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