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LOW OIL PRESSURE FLUCUATIONS IN GAGE

Tiny
MATTD
  • MEMBER
  • 1995 CHEVROLET SUBURBAN
  • 2,480 MILES
I had motor replaced 3 yrs ago with new jasper motor because motor went bad due to bad oil pump/sending unit cant remember which. Its been running great and always reliable since replacement was done. Just added few quarts of oil last week and right after I had fluctuations in oil pressure from 40-60psi. Today on ride home oil pressure fluctuated between 20-40psi and I had a rather hard time maintaining speed on cruise control it wanted to keep hitting 3000rpm to maintain speed and I had hard time getting past 70mph. I have no oil leaks and ive always had steady 60psi oil pressure for 3yrs since motor replacement. PLEASE HELP ASAP THANKS! O there is also a burning oil smell that happens rarely
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Wednesday, July 25th, 2012 AT 8:03 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Added a few quarts? How many? Did the motor start making noise?

Start with a manual check of oil pressure to verify if it is low.

It also sounds like you have other driveability issues but start here

Roy
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Wednesday, July 25th, 2012 AT 8:15 PM

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