Question about 1999 Chevrolet Cavalier

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Oil light comes on after car is warmed up

Oil light comes on when car is warmed up and stop at a stop light it goes out with a little pressure on gas pedal water tem gauge about 3/4 up

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  • coralboss302 Feb 20, 2009

    oil presssure light comes on after engine warms up at idle engine starts knocking , replaced rod and main bearings and new oil pump still have same problem . light goes out after raising idle, knocking still remains. I let engine cool down the restart sounds fine untill warms up then starts again.

  • e_nazim Mar 24, 2009

    my chrysler neon 2000 when warms up and idle on red light the oil light comes on and stays there until i press gas paddle. if my trip is less than 3 kilometer and light doesnot comes up. reply e_nazim@hotmail.com if anyone knows the solution.



    thanks

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MOST COMMON ISSUE WITH THE OIL LIGHT IS THE ENGINE OIL PRESSURE SENDING UNIT, REPLACE IT, ALSO 3/4 SCALE TEMP IS NORMAL, THAT IS WHEN THE COOLING FAN KICKS ON, ABOUT 230 DEGREE'S F.

Posted on Dec 11, 2008

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My problem solved by changing the oil sensor switch which was broken. not a long tale. good luck

Posted on Oct 22, 2009

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2 Answers

Why does my oil light come on after the car warms up?


Why does my oil pressure light came on when I stop?
Low pressure means there either isn't enough oil in the system or the oil pump isn't circulating enough oil to keep the critical bearing and friction surfaces lubricated. If the light comes on while at speed, do your best to pull off the road quickly, turn the engine off, and investigate the problem to avoid damage.

Why Does Your Car's Oil Light Come On? - Popular Mechanics

www.popularmechanics.com/cars/how.../why-does-your-cars-oil-light-come-on-865772... Search for: Why does my oil pressure light came on when I stop?
Why does my oil light come on after the car warms up Google Search

May 28, 2014 | 2006 Suzuki Forenza

1 Answer

Oil light comes on when stopped at a light. Okay when moving. Oil levels are okay. Reving the engine when stops makes it go out.


Its possible the pressure light is faulty, or you really do have low oil pressure. The pressure is higher when the oil is cold than when the engine is warmed up.
You could replace the switch and see what happens, or get the pressure checked with a mechanical gauge in place of the switch.

Feb 15, 2014 | 2002 Dodge Neon

1 Answer

96 chevy cheynne 5.7 vortechas about 40to50 pounds oil pressure when first sart in morning and when it gets to temp. it drops to 20to25pnds and at a stop it goes to 0 and gauge light comes on until i give...


Well it could be the sending unit for the gauge.
But odds are the oil pump or engine bearings are worn out.
As the engine warms up, the metal spaces expand and the oil gets thinner. The oil pressure drops some under normal conditions, but not more than 10 or 15psi. Normal idle pressure with the engine warmed up is probably 25psi.
You could check oil pressure with a mechanical gauge to make sure its not the sending unit.
Once the oil pressure starts staying below 20psi for long periods you'll start hearing noises.

Apr 13, 2013 | 1996 Chevrolet C1500

1 Answer

Peugoet 206 oil low pressure problem


check that you have the right type of oil in the car and that you have enough of it in

Apr 11, 2013 | 2005 Peugeot 206 1.4

1 Answer

When the engine gets warm every time I come to a stop or about to stop the oil temp guage shoots left and the bell goes off and the check guages light comes on but as soon as I hit the gas again everything...


What this is telling you is that you have very low oil pressure. Is your cars oil level up? If you have a proper oil level in you car then you could have a bad sensor. Then on the other hand your oil pump may be going bad. Hopefully this gives you at least some place to start and I hope this helps you out a little.

Aug 26, 2011 | Dodge Ram 1500 Cars & Trucks

1 Answer

After 20-30 min. driving oil light comes on when stopped. oil light goes back off when moving again.


There is less oil distributed to the engine in idle position than when you drive. So when the oil light comes on, you may have to put a little oil in your car. While driving, the oil reading may be enough for your sensors in your car to not send a signal, but when you stop and the oil pressure goes down, it may not be enough and that's when the light comes on. When you drive 20 to 30 minutes, your oil gets thinner because it is warm. That also will send a different reading to the sensors. You may want to try a thicker oil (instead of 10/40 try 5/20 ... ask before you do this!).

Dec 30, 2010 | 2000 Ford Taurus

1 Answer

Oil light on at stop


engine oil pressure may be low remove oil pressure sending unit and install a pressure gauge check for pressure while warm if pressure is ok replace oil pressure sending unit oil pressure at idle should be between 5-15 psi at min

Nov 17, 2009 | 2006 Dodge Stratus

2 Answers

When car is cold oil pressuer is at 75 lbs when car is warmed uped it drops to 40 lbs (v6 3800) when warmed uped and give it gas it goes up to 60 lbs but when i stop it dropes to 45 lbs why is this please...


When the oil is cold it is thinner or watery and the pump moves more oil as it turns making the pressure go up. As the oil warms up it thickens and the pump moves less oil letting the pressure go down. Increasing the engine speed makes the pump turn faster, therefore it moves more oil and the pressure goes up. Changing oil grades will change the numbers somewhat, for example 10W40 will give you different readings than 5W30. I don't see any problem with the readings you put in your posting. I wouldn't be concerned until the warm idle pressure gets down to about 30 or a little lower. Hope this helps.

Oct 27, 2009 | 2001 Chevrolet Camaro

1 Answer

Oil light flickers...


replace the oil pressure sending unit

Apr 20, 2009 | 2002 Mitsubishi Galant

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