Question about 2004 Ford Taurus

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My car will turn over but then kills right away.low oil pressure

My car will turn over but then kills right away. The low oil pressure light comes on, What does this mean? It also idles high.

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Well when your computer sees that the oil pressure is too low it will shut the fuel pump down as a safety precaution. What could be causing the low oil pressure could be a few things. You could just be low on oil (5 qts is standard on most vehicles), your piston rings could be going bad causing you to lose compression, your head/valve cover gaskets could be breaking down which could cause you to lose compression, and your valves could be covered in carbon build up and not seating completely.  Try this; put a quart of oil in and try running some 44k power enhancer through your engine. If you are still getting the low pressure light it could be a mechanical problem such as your rings, gaskets, Etc.
The high idle could be a number of things. Your Throttle cable could be adjusted a little short, your Engine Coolant Temp sensor could be constantly reading that your engine is cold which would then dump more fuel into your cylinders. Your O2 sensor could be going out therefore constantly reading that there is too much oxygen in your exhaust and telling your computer to dump more fuel into the engine. Its a long shot but you may also have a timing problem.... Good luck and if there is naything else I can help with just let me know...

Posted on Mar 12, 2009

  • lyma Jun 26, 2013

    My expidition has been doing the same thing too! My temp gauge will stay on cold for awhile. It seems like there are two problems like what you wrote! Thsnk you do much for the solutions!!! i am going to try them today! :)

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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.

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Why does my low oil pressure light comes on when making left and right turns


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On my 93 Dodge Caravan ES 3.3L, when it comes to a stop and idles (at a light mostly) the check gauges light comes on. When the check gauges light comes on the oil gauge is at the bottom. When I tap...


Okay What it means is that the oil in your car is either low in level or the oil pressure at low revolutions is low. I highly recommend you to stop driving the car when this happen because you can internally damage the engine with a low oil or a low pressure of oil. Check the oil level first..make sure level is fine and oil looks good. Black and burned oil will give you a low oil pressure as well. If it happen that your car need a oil change. Make sure you get it done and see if the problem goes away. Very rarely oils pressure sensor goes bad but if oil is new and level is fine you can take the oil pressure sensor and connect a tester for a oil pressure. If this is not under the manufacturer specifications.. oil pump is worn out and you have to replace it for a new one.
Good luck and don't forget to rte me. Thanks

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