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High oil pressure - switched sensor

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Old Dec 24, 2004 | 09:56 AM
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Default High oil pressure - switched sensor

I changed the oil pressure switch recently (e.g., located in the back of intake manifold) and now the oil pressure reads very high - between 45 - 65 LBS depending upon engine RPM. I'm using the same viscosity engine oil 10-30 Mobile One.

Since I switched pressure guages it seems that my pressure is now running about 15lbs higher than before.

I assume the real oil pressure has not changed and that it is the new switch is casuing the variance in pressure reading on the dash.

Luv that GM quality control!!!
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Old Dec 26, 2004 | 12:37 AM
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Take it out and go exchange it for a new one wherever you bought it from. Not sure how much they are, but I paid $40 for one that was for my 94 Grand Cherokee 318, enought to where I'd do something about it since the oil pressure guage is basically a must have.

Jason
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Old Dec 26, 2004 | 12:45 AM
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45-65 is my operation range, seems fine to me. 45 idle. 65 1000 rpm + especially in cold weather. This is with 5w 30. 10 30 is to thick for my taste.
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Old Feb 7, 2005 | 09:43 AM
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i am having the same problem.. i had to change my oil pressure sending unit in the back of my intake manifold because i accientally broke it off.. my oil pressure seems a tad bit higher than normal.. i've been curious about it.. i couldnt get it back down to torque specs so i don't know if that is my problem or if its just because its a little off?
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