Question about 2001 Ford F150 Styleside SuperCrew

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Oil pressure light is on when i start it when its cold

What will happen if i leave it this way?

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Check your oil pressure sensor, make sure its screwed in tightly, and i have to ask did you use the correct oil type, i use 5W-20 in mine. what the service manual calls for.

Posted on Mar 13, 2009

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Oil light comes on when I first start up in the morning.I'll turn it off and restart the car and the oil light is off.


it could be a sticking oil pressure relieve valve when cold or a weak oil pressure switch when cold. the oil pressure should be checked when first started cold.

Mar 13, 2015 | 2003 Dodge Neon

1 Answer

Beetle oil pressure light flashes when engine is cold


You did not say how cold it is but I am guessing that the viscosity is not correct for the temperature and the oil is too heavy for the job.. May be an oil change to the correct viscosity oil would help.

Jan 12, 2014 | Cars & Trucks

3 Answers

Check engine light is on. Engine sounds like it's knocking. And oil light is coming on. This 2008 Dodge Dakota has only 63,000 miles.


Sometimes that light means overfill oil
Sometimes after changing oil if they put too much that happens
Check the oil level on cold in level place (give it like an hour or so) for the light to reset
If after that the light still on take it to a tech.

Good luck

Dec 20, 2013 | 2008 Dodge Dakota

1 Answer

Dies while decellerating


Check your oil. It is possible that your car has a low oil pressure shutoff and when cresting the top of the hill, the oil goes to the back of the oil pan, telling the sensor it has no oil and shutting down the car before any damage occurs.

Nov 26, 2013 | 2005 Honda Element

1 Answer

When cold, my 87 camry puts out 60-65 psi oil pressure. After it heats up, this pressure drops to 15psi and the oil light comes on. There is only about 70,000 miles on a rebuild with a new oil pump. C


If the sending unit is working correctly, I would say the oil pump or engine is failing.
You can replace the sending unit or have the oil pressure checked with a mechanical gauge to verify.
Its also possible the engine oil is being diluted by gasoline or other liquids.

Aug 31, 2012 | 1987 Toyota Camry

1 Answer

My Audi A4 2009 makes a rattling noise on cold starts which resolves in less than 30 seconds. Dealer says its an air pump. This doesn't seem correct. The noise comes from the front of the care. Does not...


READ THIS (happy ending so far...):
audi a4 2L turbo quattro, manual transmission with 98,000 KM. Perfect conditions, no oil leaks whatsoever.

Left the car off for two weeks in very cold weather (-10C down to -25C). When I restarted, it started immediately but with heavy rattling noise due to camshaft adjuster not getting enough oil pressure. After 3 minutes of warming up (outside temp.: -12C) at very low rpm (below 2,000rpm), I start moving the car. Still hearing heavy rattle noise. As soon as I pass 2,000 rpm, I get a scary red warning, low oil pressure. Turn off the engine immediately. In 1 minute, I re-start the car and the engine lights check ok, so I drive in first gear super slow (1,200rpm) hearing the same rattling noise. After another minute, finally the noise all the sudden disappears and the car starts running just fine.

Called Audi dealer and they told me that in extreme weather conditions, I should warm the engine for 10-15 minutes if necessary before start moving.
Take away: luckily, I didn't screw up the engine since I was using it at extremely low rpm (easy to do with clutch and manual transmission) until the oil reached full pressure. I am pretty sure now that the problem was leaving the car off for such a long time in freezing weather. All the oil flows back to the bottom, and when I restarted it, the cold oil with high viscosity took a long time to reach all the parts of the engine, specially the camshaft adjusters that are actuated by using oil pressure. Next day, the car started at -9C perfectly without making any noise (as usual). Basically, the longer you leave your audi in cold weather, the longer you might hear the rattling noise until the oil reach full pressure inside the engine. My car took 6 minutes to fix it after couple of weeks in cold weather. This makes sense to me; in fact, in the past I only heard the rattling noise after leaving the car off for a couple of days in the winter.
So far, this has had an happy ending....

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Dec 19, 2010 | 2009 Audi A4

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Oil pressure is high and rpms are low . happened before but check engine light was on then and isnt now. The dealership said that all they did was plug back in a faulty sencer and it ran fine after that..


with it being colder weather unless you live in Equador where it's hot all year round, the oil thickens thus you have good oil pressure, nothing wrong with good oil pressure only if you have no oil pressure. a car with 5w30 in 20*f weather that only gets 35psi in the summer now gets 55 psi in the cold..... now if you have a wrong oil filter that would put it in bypass mode thus giving you 60psi or higher ( i had this happen to me in a used truck ) if the engine isn't knocking i wouldn't worry about it much, a car in cold weather performs better than a car in the hot.

Dec 12, 2010 | Jeep Wrangler Cars & Trucks

1 Answer

1992 plymouth voyager oil guage issue


All I can think is that there is fault with the type of oil or the oil pump mechanism or oil pressure switch or oil pressure relief valve. When cold the oil is viscous and the pump will have little difficulty in maintaining adequate oil pressure. As the oil gets hot its viscosity is very much reduced and flows with ease and the pump has to work so much more effectively to maintain pressure. The speed of the pump is governed by engine revs so as you 'press on the gas' that pump whirls around making pressure. As soon as the engine revs drop the hot oil slips past the pump vanes and the pressure drops. Remedy: Use a 5/40 or a 10/50 grade oil. These left number indicates viscosity when cold (5 is less viscous than 10 when cold) and the second number indicates viscosity when hot. If you live in one of the northern states and suffer very cold winters try 0/40 grade as this will cause less strain on the starter motor, battery and oil pump when starting in the cold. Try and choose a large figure (45 or 50) for the second number as this indicates a higher viscosity when hot, a good thing for older engines with greater wear and tolerances. I think it is no coincidence that the problem you have seen started immediately after you did an oil change and this should fix it. If this results in no joy check out the pressure relief valve in the engine block: a tired or broken spring will not allow enough pressure build up. The oil sender is probably OK but "if in doubt change it out". All the above are relatively inexpensive but if they fail to solve the problem its time to look at the oil pump assembly. This should be accessibly once the oil sump cover on the bottom of the engine is removed. You'll need a workshop manual, some good tools and an extensive vocabulary of expletives to call on. Enjoy!

Apr 16, 2010 | 1992 Plymouth Voyager

1 Answer

1995 Jaguar XJ6 oil pressure gauge


This is OK. Oil pressure is always higher when the engine is cold.

As an engine accumulates miles the pressure will start to drop due to bearing clearances increasing.

If this just started to happen you may want to replace the oil filter and or oil pressure sending unit.

Sep 22, 2009 | 1995 Jaguar XJ6

1 Answer

Oil pressure light stays on


It will take a while for the oil to circulate throughout the engine at that cold of a temperature. You may want to get an oil change done and make sure you have the proper oil for the temperatures. What happends is that the oil gets thicker and has a harder time circulating through the engine. BE VERY CAREFUL leaving the car run with the oil light on. You can blow the engine very quickly as I learned the hard way. Good luck to you and thanks for using FixYa!

Sincerely,

JC

Dec 29, 2008 | 2003 Nissan Murano

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