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#1 |
Join Date: Jul 2018
Location: Seattle
Posts: 6
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My oil pressure gauge seems to work correctly most of the time. It reads about 40psi at idle and close to 80psi while driving. But sometimes the gauge will begin to jitter and read more than 80psi. After a 10-20s it will read normally again. It seems like an electrical issue, maybe related to heat. I checked the oil pressure sensor connector, didn't see anything obvious, it's dry and seems happy. Is this a known issue?
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#2 |
![]() Join Date: Feb 2011
Location: Clayton, North Carolina
Posts: 1,133
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Replace the oil pressure sensor on the right front of the engine.
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Lou[COLOR="Red"][B][SIZE="4"][/SIZE][/B][/COLOR] |
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#3 |
Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,057
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My 91 does this at Freeway speeds.
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#4 |
![]() Join Date: Feb 2011
Location: Clayton, North Carolina
Posts: 1,133
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Lou[COLOR="Red"][B][SIZE="4"][/SIZE][/B][/COLOR] |
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#5 |
Join Date: Jul 2018
Location: Seattle
Posts: 6
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You are correct sir. I replaced the original unit with ACDelco D1808A and the gauge has been behaving.
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#6 | |
![]() Join Date: Oct 2016
Location: Shepparton. Vic. Australia
Posts: 137
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My pressure gauge is reading incorrectly, usually shows low when it’s ok. Where can l get the replacement switch from? Cheers from down under 🇦🇺 |
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#7 | |
![]() Join Date: Aug 2015
Location: Magnolia, Texas
Posts: 884
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Sent from my SM-G950U using ZR-1 Net Registry mobile app |
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#8 |
![]() Join Date: Aug 2015
Location: Magnolia, Texas
Posts: 884
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Yes, there are 2. Oil gauge sensor is on top (easy to change), oil pressure warning light switch is on bottom (more difficult).
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#9 | |
![]() Join Date: Oct 2016
Location: Shepparton. Vic. Australia
Posts: 137
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Ordered a new one with other items yesterday. Cheers from down under Russell |
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Tags |
gauge, oil, pressure |
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