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Loss of Oil Pressure while driving?

Tiny
JACKIKEITH66
  • MEMBER
  • 2011 CHEVROLET TAHOE
  • 4WD
  • AUTOMATIC
  • 248,000 MILES
Motor/Transmission in very good condition.
Yesterday I noticed a loss in oil pressure while driving.
Gauge always on 40.
All the way home from work (17 miles)
Needle stayed around 30.
Wednesday, December 28th, 2022 AT 10:04 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi,

That pressure is still considered normal at 2,000 RPMs. Keep in mind, you may have a failing oil pressure switch as well.

Take a look at the pic below. It shows what the manufacturer recommends as far as pressure based on RPM. See if you fall within those guidelines and let me know what you find.

Take care,

Joe

See pic below.
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Wednesday, December 28th, 2022 AT 11:48 PM
Tiny
JACKIKEITH66
  • MEMBER
  • 2 POSTS
Thanks so much for your quick response. I will feel so much better on my drive home from work tonight. I'll have someone take a look at that switch this weekend.
Again, thanks so much!
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Thursday, December 29th, 2022 AT 10:37 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
Please let us know what you find. We are interested to see what it is.
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Thursday, December 29th, 2022 AT 1:44 PM
Tiny
JACKIKEITH66
  • MEMBER
  • 2 POSTS
Sure will. Thanks again !
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Thursday, December 29th, 2022 AT 8:53 PM

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