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Oil Pressure Question

Discussion in 'Car Forum' started by axel, Jul 23, 2006.


  1. axel

    axel
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    Nov. 11, 1918

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    Oct 19, 2003
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    I have a '93 Buick LeSabre I bought about three months ago. It now has about 25,000 original miles and I've made it a habit to observe the gauges so I would know what 'normal' position is. Since I bought it the oil pressure has been just above 70 when driving. This weekend I had the oil changed and switched to Mobil 1. The gauge now reads 80 when I drive. I checked the dipstick and it's a little above the "FULL" line but not by much.

    Could changing to a synthetic oil cause a higher oil pressure reading? Could slightly overfilling cause it? Thanks very much.
     
  2. wizzi01

    wizzi01
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    Jun 14, 2004
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    Yeah I noticed when I switched my ram to synthetic it went up also.
     

  3. LOOGIE1

    LOOGIE1
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    new oil will do this for the first 500 miles or so till the viscosity starts to break down a little