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2006 chevy trailblazer_ls
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25 Posts
Discussion Starter #1
Just wondering...what is the normal running oil pressure on the I6 and how much should it fluctuate from low to high rpm's?
 

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2004 gmc envoy_slt_xl
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1,356 Posts
If I remember correctly .. normal pressure at steady highway speed (60 to 70 mph) is jsut past 40 lbs or just to the right of center
 

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2005 chevy trailblazer_ls
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607 Posts
Mine runs just right of center at idle, and a couple of ticks above at speed. IIRC, the pump pushes about 60 psi under load.
 

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2002 olds bravada
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2,369 Posts
the oil pressure gauge in our clusters are known as an "idiot gauge." Its not very accurate and goes up/down depending on how much throttle/gas is given. The best way to tell oil pressure is to hook up an external gauge and get a reading off that.
 
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