1991 Chevy S-10 oil presure

Tiny
EAGLESCOUT2004
  • MEMBER
  • 1991 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 156,000 MILES
When my truck is cold the oil pressure is at or above 40 psi but when the truck reaches 200 deg the oil pressure drops around 10-15 psi. What could be wrong?
Sunday, September 13th, 2009 AT 11:21 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I don't see any problem here at idle that pressure is okay remember the higher the rpm the higher the pressure the oil pump is turning faster-Might want to change the oil/filter.
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Sunday, September 13th, 2009 AT 11:37 PM

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