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Low oil pressure 20psi at idle

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Old Mar 30, 2012 | 01:38 AM
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Default Low oil pressure 20psi at idle

i just changed my oil last week and my oil pressure is staying at 20 on idle and it goes to 40-41 psi at 2000 rpm. what can i do to get the psi right
it is a mix of 5w-30 and 10w30. 2/5 and a stp filter.
 
Old Mar 30, 2012 | 02:25 AM
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If those numbers are when the engine is warmed up then thats fine.

What is the PSI when the engine is cold?
 
Old Mar 30, 2012 | 03:06 AM
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seems about like mine also. i want to say mine is around 80psi on a cold start.
 
Old Mar 30, 2012 | 05:26 AM
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Originally Posted by red06sc
seems about like mine also. i want to say mine is around 80psi on a cold start.
I hope you mean 60
 
Old Mar 30, 2012 | 05:32 AM
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Originally Posted by igs4dragon8
i just changed my oil last week and my oil pressure is staying at 20 on idle and it goes to 40-41 psi at 2000 rpm. what can i do to get the psi right
it is a mix of 5w-30 and 10w30. 2/5 and a stp filter.
Context, please.. what was it before the change? How long have you had the truck? How many miles on odo? Did you have the LIM gasket fail? Or was it before you bought it?

And what is it at cold start, 1000 rpm?
 

Last edited by pettyfog; Mar 30, 2012 at 05:41 AM.
Old Mar 30, 2012 | 09:29 AM
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Originally Posted by 97cherryblazer
I hope you mean 60

i do lol
 
Old Mar 30, 2012 | 12:03 PM
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the oil pressure stays the the same at 20 cold or hot. 168000 miles
had her since august of 2011 and the LIM gasket seams fine to me. the dealership did the motipoint inspection and he found evidence a oil leak but my oil levels do not drop. many be a past leak?\ and the pressure was the same before the change. cold rpm is at 1000-1200
 

Last edited by igs4dragon8; Mar 30, 2012 at 12:08 PM.
Old Mar 30, 2012 | 05:23 PM
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1. Until you hook a mechanical oil pressure gauge to the engine you don't know for certain what the pressure is.

2. What was the purpose in mixing the two different viscosity ratings?
 
Old Mar 30, 2012 | 06:38 PM
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Originally Posted by rriddle3
1. Until you hook a mechanical oil pressure gauge to the engine you don't know for certain what the pressure is.
I agree. If the mechanical gauge says the same then you can go from there
 

Last edited by pettyfog; Mar 30, 2012 at 06:40 PM.
Old Mar 31, 2012 | 06:35 PM
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autozone did not have the right viscosity thay only had 2 10w and 3 5w on sale
 
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