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YOUR RESEARCHIs my oil pressure OK?
Reported or suspected cause
bit higher
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No successful repair reported for this finding.
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0
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Suspected cause
Remember too the oil pressure sensor/gage is not that fine of an instrument so the actual pressure readings would probably be different and probably a bit higher.
Leading evidence: 'bit higher' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'bit higher' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check oil' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Be on level ground and check oil on the computer when readable.
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Suggestion
Big thing is to check the oil level, that can lead to sudden low pressure and that can lead to sudden expensive damage.
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Suggestion
Very similar numbers to what I am getting...using Castrol Edge 5w-40.
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bit higher
No successful repair reported for this finding.
0
Identified cause
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Suspected cause
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Read evidence and context
Discussions that suspect a cause
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Suspected cause
Remember too the oil pressure sensor/gage is not that fine of an instrument so the actual pressure readings would probably be different and probably a bit higher.
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This is fairly fresh 0w-40 mobil One (1month, 300 miles).
Within first minute of cold start, idling around 700rpm. Oil pressure
gauge read 5 (5 bars?). When fully warmed up (coolant about 200-210F), idling around 600-700rpm
oil pressure just a touch shy of 1.
If the unit is in 10psi, then idling at 9-10psi oil pressure seems low, but
I haven't had a car with oil pressure gauge in over 30 years so it may
be normal now.
Driving at 3krpm (2nd or 3rd gear), gauge reads exactly 3.
Am I OK?
You're getting the same readings I get. I think you are fine. Big thing is to check the oil level, that can lead to sudden low pressure and that can lead to sudden expensive damage. But the pressure sounds fine.
Good q but .... Just saying, new oil has a thick viscosity. The warmer and longer ... the thiner and more in the gauge "zone". Warm means a lot more than one thinks. From one who has been there. Relax and drive the ride. Be on level ground and check oil on the computer when readable. Better to much than to little.
Aim for dead center on the dipstick. Too much can be as bad as too little.
Also, the car needs to sit overnight for the electronic gauge to be fairly accurate. 24 hours to get spot on.
The reason the oil pressure is lower, is because the oil is hotter... Cooler oil= more pressure, since pressure is resistance to flow.
M1 in any 40 grade will operate like a 30 grade, move up to something with a higher viscosity index, and it will maintain pressure at a higher temperature much better.
When driving keep revs 2500 or above and your oil pressure with be at least 3 bar and up on a hot 180 engine. That's normal. idling or stopped at lights, pressure drops into the minus.
Relax. The oil pressure reading is just fine.
In the references I have -- factory repair manuals -- Porsche only supplies an oil pressure reading at some elevated RPM level, something like 5 bar at 6K RPMS.
1 bar -- the gage reads in bars -- at hot idle is ok. (1 bar = 14.5038psi.) And the higher reading at higher RPMs is ok too.
Remember too the oil pressure sensor/gage is not that fine of an instrument so the actual pressure readings would probably be different and probably a bit higher.
I've never experienced it but the techs who got to experience the new Porsches with the new engines that incorporated variable oil pressure control told me it was a bit of a shock to when accelerating to see the oil pressure increase to near the normal high pressure like with the older engines then drop down to 3 bar.
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