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Whats the normal oil pressure on a 1988 GMC pickup after its hot?

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Around 40 pounds when moving a little less at idle.

Posted on Oct 03, 2009

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I just would like to know where the oil pressure sensor is on a 1988 gmc jimmy s15, cant seem to find it


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What a/c system did the 1988 gmc s15 pickup use? do i need to worry about messing with freon?


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Oil pressure on my new 2010 Sierra does not exceed 30 psi except when cold.


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Oil pressure dropping after about 2 hrs running time mainly during a stoplight


first up.Is the oil recently changed.2nd is it the right type..3rd.Oil pressure will drop down when the engine is idling.If, when you give the engine a rev and the pressure builds straight back up,there is not a problem.Its normal.Cold oil will always give a higher pressure than hot oil.Check these few things and I hope this helps

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