Oil Pressure Gauge Reading

Asked by GuruM99D4 May 10, 2020 at 03:14 PM about the 2004 Buick Rainier CXL Plus AWD

Question type: Maintenance & Repair

My 04 buick rainier 8 cylinder oil pressure gauge continuously stays in the highest oil pressure position without any change in that reading ever. Not sure why or how to tell whats causing it?

1 Answer
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FJ4072 answered 4 years ago

Likely it's your oil pressure sensor. I know the I6 engine very well, but not sure on the V8 the location of it. Locate it, if it has oil on it, it's bad.

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