Duduglanza Posted September 21, 2017 Share Posted September 21, 2017 Hi , im getting low oil pressure on idle.. 15/18psi when fully warm. Im a bit worried and i don't know much was this problem going on as i installed the aem oil pressure gauge few months ago and was always like this since then. Changed the oil relief valve but still same readings.Should I replace the pump for safety or can i add some washers in the oil relief valve just to increase the pressure by few psi?Anyone did this procedure? Quote Link to post Share on other sites
Ollieh17 Posted September 21, 2017 Share Posted September 21, 2017 The main thing that affects oil pressure is the bearings and large oil clearances.id drop the sump and look at the bearings. If okay change the pump. Shinning valve is a bit of a bodge Quote Link to post Share on other sites
craigyboi Posted September 21, 2017 Share Posted September 21, 2017 Think your car has cought the same bug as mine haha Quote Link to post Share on other sites
patman Posted September 21, 2017 Share Posted September 21, 2017 Wouldn't I be right in saying the hotter the oil temp, the Lower the oil pressure goes? When I been sitting in heavy traffic in the past on hot days, and the oil temp go above 90 degrees I find my oil pressure goes down aswell, but normal all other times. Quote Link to post Share on other sites
AdamB Posted September 23, 2017 Share Posted September 23, 2017 That pressure is fine for idle. Quote Link to post Share on other sites
TimD Posted September 23, 2017 Share Posted September 23, 2017 That's not low oil pressure. Quote Link to post Share on other sites
Duduglanza Posted September 24, 2017 Author Share Posted September 24, 2017 Tought that below 20psi is a bit risky :/ Quote Link to post Share on other sites
craigyboi Posted September 24, 2017 Share Posted September 24, 2017 Someone before said Toyota recommend no lower than 7psi on warm idle Quote Link to post Share on other sites
patman Posted September 24, 2017 Share Posted September 24, 2017 (edited) That's what they recommend yes Craig although 7psi I think is living a bit on the edge, and I think yours if fine duduglanza, just keep an eye on it 👍🏻 Edited September 24, 2017 by patman Quote Link to post Share on other sites
Duduglanza Posted September 25, 2017 Author Share Posted September 25, 2017 Thanks for the help Quote Link to post Share on other sites
AdamB Posted September 25, 2017 Share Posted September 25, 2017 1 bar / 14.5 psi is the lowest I'd like to see, any lower and really there's an issue. Quote Link to post Share on other sites
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