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1997 Buick Lesabre oil pressure

Tiny
DARKSTER
  • MEMBER
  • 1997 BUICK LESABRE
Engine Mechanical problem
1997 Buick Lesabre 4 cyl Front Wheel Drive Automatic

while driving my car my gauge for the oil went to nothing. I turned my car off and got to the shoulder of the road. My oil is full. I have replaced the oil pressure switch - no help. Gauge still not moving now car when started sounds very rough. Any suggestions?
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Saturday, July 26th, 2008 AT 3:19 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the oil pressure with a mechanical gauge-could be an oil pump issue with pressure relief valve/engine bearings
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Saturday, July 26th, 2008 AT 3:33 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Soudns like tis not a faulty with the sensor or sending unit.

Sounds like something is bad with the pressure and since it is runnign rough I WOULD STOP RUNNING IT ASAP UNTILL YOU TAKE A LOOK AT THE OIL PUMP.

Normally if the guage is bad it wont mkae loud noise such as you are observing.
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Saturday, July 26th, 2008 AT 3:46 PM

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