1998 Chevy S-10 Oil pressure

Tiny
MADDOGFAN
  • MEMBER
  • 1998 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • MANUAL
  • 116,000 MILES
I just purchased a 1998 Chevy S-10 and the oil pressure is fluctuating between 40 and 80. Is this normal?
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Friday, November 27th, 2009 AT 2:02 PM

1 Reply

Tiny
MATHIASO
  • MEMBER
It depends on the rpm.
If you do doubt the one on the dash,
oil pressure can be checked by attaching a pressure gauge to the engine where the oil pressure sending unit is attached. If oil pressure is within specifications (typically 10 psi for every 1000 rpm) the oil pump is okay. If pressure is less than specifications, the oil pump may be worn, or the engine bearings may be worn.
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Friday, November 27th, 2009 AT 3:17 PM

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