Question about 1999 Chevrolet Monte Carlo

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The oil comes on when i start the car and lately when i slow down at a stop sign or slow down to about 40 mph or lower.

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  • Chevrolet Master
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It can be a few problems. first it could be a bad oil sending unit.costs $30.00 to put it in $60.00 no way to check except to replace it. If that doesn't fix it then it is mechanical, oil pump costs $75.00, to put it in $300.00 to $400.00.
Bad bearings cost for parts $300.00, to put it in$600.00 to $800.00.I would start with the sending unit and see what happens. if that doesn't do the job you can do two things, one repair the engine, two put thicker oil in it with some lucas oil stablizer and drive it till it dies. Hopefully you have the cheaper of the problems. Good luck
Randy

Posted on Nov 10, 2010

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  • Master
  • 381 Answers

Make sure your oil level is full if so and it still does it try changing the oil sending unit it might be bad

Posted on Nov 10, 2010

  • lyons8964 Nov 10, 2010

    thank you, would this also be the reason it has been stalling at times?

  • Ron A Martinson Nov 14, 2010

    Probably would not cause it to stall. Maybe your RPMs are to low. Which could cause this and stalling. Try cleaning your throttle body with some carb cleaner and take a clean rag and wipe out the inside of the throttle body and clean the edges of the butterfly inside. If there is gunk in there it can cause your RPMs to drop too low.

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Tip

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  1. Avoid idling. While idling, your car gets exactly 0 miles per gallon while starting the car uses the same amount as idling for 6 seconds. Park your car and go into the restaurant rather than idling in the drive-through. Idling with the air conditioning on also uses extra fuel. Also, avoid going so fast that you have to brake for someone. Whenever you brake, you waste the gas it took to get going that fast.
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