GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

low oil pressure

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Old May 11, 2012 | 05:59 PM
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mcdad1979's Avatar
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Default low oil pressure

i have a 04 4.8. my truck has developed low oil pressure. at normal operating temp the oil pressure is only 20lbs at hard acceleration it will only get to 40lbs. does anybody have any suggestions what could be up with this thing?
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Old May 11, 2012 | 06:09 PM
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From: Machinegun Valley KS
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Oil sending unit 40 bucks at oriellys changed mine had same problem as yours
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