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grid heater and oil pressure

1667 Views 33 Replies 6 Participants Last post by  NCC74656, 
NCC74656
is 81psi at cold idle to high? my truck starts there and falls to 38psi at idle when warm.

its gotten a bit chilly here and ive started to notice it a bit harder to crank and more white smoke. my "wait to start" light has not come on yet. what type of diagnostic can i do to test this with out needing to make the engine colder?

thanks.
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dozer12216
Real gauge pressure I assume.That is O"K. Synthetic might help lower some when cold.
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