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2014 Chevrolet Impala
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2005 chevy silverado Low oil pressure warning.

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Old March 13th, 2017, 5:36 PM
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Default 2005 chevy silverado Low oil pressure warning.
I get 10psi oil pressure at start up. Oil psi increases under power to 20 psi. After driving for a little bit i come to a stop and i get a low oil pressure warning. Ive had the oil pressure sending unit replaced. Used a mechanical gauge on the filter at idle 20 - 25 psi under power it goes up to 40-50 psi. So with these kinds of pressures the oil pump is good. The gauges were replaced and still with new gauges it reads low on idle and under power. Any ideas???????
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Old March 13th, 2017, 5:45 PM
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What viscosity oil?
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Old March 13th, 2017, 6:06 PM
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i was running 5w 30, but because of the high mileage it was suggested i run 30w
Last edited by Rcktfl; March 13th, 2017 at 9:00 PM.
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