Thread: Oil Pressure Warning

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  1. #1 Oil Pressure Warning 
    GT Level Member Hurricane87's Avatar
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    I've gotten the "Low Oil Pressure" light a couple of times in the past week. There's plenty of oil, and the pressure sensor is a brand new ACDelco unit.

    Is it the oil pump? Or something else entirely?
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  2. #2 Re: Oil Pressure Warning 
    GrandPrix Junkie SgtMarshal's Avatar
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    in my case it was the pick up tube O-Ring in the oil pan. same thing happened to me right after I had the cam and lifters replaced. it happens a lot on LS engines.
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  3. #3 Re: Oil Pressure Warning 
    GT Level Member Hurricane87's Avatar
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    I forgot to mention, I already changed the O-ring as well....
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  4. #4 Re: Oil Pressure Warning 
    Killa Bee Scottydoggs's Avatar
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    sensor could be bad new in the box. it happens, even with delco parts.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: Oil Pressure Warning 
    Killa Bee Scottydoggs's Avatar
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    pretty sure theres a screen under the sensor you need to clean or change. it clogs up.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  6. #6 Re: Oil Pressure Warning 
    GrandPrix Junkie SgtMarshal's Avatar
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    after I posted, I saw in an older thread that you had done that. it could be the oil pump, I don't know how to tell, but if you drop the pan again and have extra money, Brandon Furches, aka LS4King, has new stamped steel and one other upgraded oil pan, supposed to be better, and is supposed to make the 4T80 easier to do. Good luck.
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