Question about 2005 Buick LeSabre

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Low Oil Pressure?

I had a used 2004 buick lesabre motor with 40,000 miles put into my car. What is an acceptable oil pressure. It idles around 35 when hot.

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  • Anonymous Mar 27, 2014

    i had low oil pressure and just put oil in the car and now this chime that goes ding ding ding will not shut off

  • Anonymous Apr 01, 2014

    The care vibrates terribly when it idles.

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  • Master
  • 409 Answers

Thats fine. It only takes 4 psi of pressure to keep your engine oiled.

Posted on Dec 24, 2008

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1 Answer

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Low oil pressure or defective oil pressure switch/gauge. If vehicle has high mileage you my have an oil pump/main bearing issue causing low pressure. In some cases, using a heavier grade oil may help keep the light out

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I just had my oil sender replaced because of a oil leak. My oil pressure gage shows 29 idling up to 65 while driving at 40 miles an hour. What is the oil pressure supposed to be in a 2000 Buick LaSabre?


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1995 buick lesabre limited, oil gauge issue


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Past weekend check engine light comes on, engine sounds and feels fine. However the oil pressure is running slightly slow


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How low is "slightly low"?

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Oil pressure guage drops after engine warms up


Is it possible that you are using a different brand or weight of oil? 10w30 instead of 10w40 could potentially cause this.


Can also be caused by engine running warmer for some reason.

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You can try a heavier weight oil if you want it to be a little higher.

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1 Answer

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this all sounds normal the reason your pressure drops is because the oil breaks down between oil changes with that kind of mileage all is good

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