oil pressure droping slowly wen over 5000RPM

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richie
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oil pressure droping slowly wen over 5000RPM

Postby richie » Sat Sep 06, 2014 1:53 pm

i have a 01altezza rs. wen driveing normal its at 3/4 an idle is 1/4. as soon as it hits 5000RPM the pressure slowly starts ta drop an ive seen it as low as 1/4 if the revs stay high.feels like the the car is down BHP wen the pressure is after droping.

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banan1984
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Re: oil pressure droping slowly wen over 5000RPM

Postby banan1984 » Sat Sep 06, 2014 6:30 pm

When I am driving over 160km/h on 6th gear oil pressure goes down a little bit, but that's it. What oil do You use?
D700 / RS200

richie
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Re: oil pressure droping slowly wen over 5000RPM

Postby richie » Sat Sep 06, 2014 7:46 pm

i use 10w40. have the car over 5 years an its only started doin it now

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Re: oil pressure droping slowly wen over 5000RPM

Postby Soiled » Sat Sep 06, 2014 10:02 pm

Oil pressure dropping is normal. Search the topic and you should find several threads on the same subject if you want to read more.

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banan1984
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Re: oil pressure droping slowly wen over 5000RPM

Postby banan1984 » Sun Sep 07, 2014 4:32 pm

10w40 is not a good oil for 3GSE, bad for VVTi, use 5w30 full syn some brand name like motul, liqui moly or millers
D700 / RS200

ESXTEZZ
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Re: oil pressure droping slowly wen over 5000RPM

Postby ESXTEZZ » Sun Sep 07, 2014 4:34 pm

They all do it, I thought it was a little weird when I first got mine.

richie
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Re: oil pressure droping slowly wen over 5000RPM

Postby richie » Sun Sep 07, 2014 11:28 pm

[
should it drop rite down to nothing??
mine only started doin it bout 2 weeks ago an have the car 5 years

Soiled
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Re: oil pressure droping slowly wen over 5000RPM

Postby Soiled » Mon Sep 08, 2014 1:12 am

Shouldn't be down to nothing, but it can go low. When was the last time you changed the oil and filter?

richie
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Re: oil pressure droping slowly wen over 5000RPM

Postby richie » Mon Sep 08, 2014 1:27 am

changed oil and filter bout a week ago an it's stil the same,

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Re: oil pressure droping slowly wen over 5000RPM

Postby lgrc36 » Thu Dec 12, 2019 1:06 pm

Just to add to this topic. I have an additional oil pressure sensor and even when the factory gauge shows it's dropped to half, (which is ~4bar, considering idle is 1/4 and it is ~2 bar), the additional sensor reads 6 bar. So if anybody has concerns, just install an extra oil pressure gauge and never trust the one in the dash...


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