Oil pressure is down low on gage at idle, and goes up with rpm
10

Asked by BluBreeze Aug 19, 2017 at 11:16 PM about the 1990 Toyota Pickup 2 Dr Deluxe 4WD Standard Cab LB

Question type: Maintenance & Repair

My "new to me" 1990 Toyota
pickup v6 3.0L... Is it normal for oil
pressure to fluctuate with R.P.M. s
??? If yes, wouldn't lugging the
engine be extremely harmful?

5 Answers
59,755

enginecreator answered 7 years ago

Idle is enough to build pressure, may could go up alittle but not from say 0 - 40 lbs.

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BluBreeze answered 7 years ago

Thanks for the info... My gage for oil pressure goes from 10-40 with RPMs but only after its warmed up and so Im going to have to replace the oil pump next.... \=°}

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90

William answered 7 years ago

As a rule of thumb: 10 psi of oil pressure per 1000 rpms.

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59,755

enginecreator answered 7 years ago

I would check the pressure sender unit to gauge to be sure its fine by testing a known good gauge or tester in place of your gauge.

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BluBreeze answered 7 years ago

Awesome Answers! Thanks so much for the input! It really has helped! ALOT. ;-)

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