2000 Jeep Cherokee Oil pressure

Tiny
NGIFF0215
  • MEMBER
  • 2000 JEEP CHEROKEE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 78,000 MILES
After an oil change 3 months ago my oil pressure went to 80 + psi I changed the oil this weekend hoping it was sludge or something. The car seems to be running fine but the pressure gauge is buried. Any ideas?
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Monday, February 25th, 2008 AT 7:10 AM

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Tiny
MERLIN2021
  • EXPERT
Pressure relief valve is probably stuck...normal pressure at greater than 600 RPM is 37-75 PSI.
Pressure relief occurs at 75 PSI


https://www.2carpros.com/forum/automotive_pictures/62217_Oil_Pump_1.jpg


Use a test gauge screwed into the oil sending unit hole to check! If pressure is OK replace sending unit, if not OK replace pump!
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Monday, February 25th, 2008 AT 7:19 AM

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