1996 Chevy Blazer low oil presure

1996 CHEVROLET BLAZER
107,000 MILES • 6 CYL • 4WD • AUTOMATIC
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GARYSHAJEK
  • MEMBER
  • 1 POST
0 oil presure with check gage light at idle oil changed at quick lube 3 days ago lost presure then went back they changed filter but is still same presure goes to 40 psi at speeds
Oct 21, 2010 at 1:30 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Did you measure oil pressure with mechanical gauge?
Oct 21, 2010 at 1:58 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
That could be due to the brand of oil they used. I can't explain why but some cars just don't like some oils. It could also be that the fresh oil loosened up some sludge inside and now it's restricting the oil pick up. I would try changing the oil again with a different brand. If that doesn't help, replace the oil sender just to make sure it's telling you the truth.
Oct 21, 2010 at 1:58 AM
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