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Ok so some of you might recall I had low oil pressure problems. Alittle history on the jeep. Bought it with 179 on the clock. Didn't begin having this problem until recently around 188k miles.
At cold temp, oil pressure read 40 psi at idle and at 2k rpm. Then when it got hot, at idle it would drop to 10 psi and at 2k rpm it would be a hair under 40.
I said fuck it, its not causing me any problems, and I read for every 1000 rpm you need to have 10 psi, so at 800 rpm idle, 10 psi was fine.
Well I was driving today and at 2500 rpms, my oil psi was 20. Not good. I needed to do my 3k mile oil change anyway so I did my oil change and put a new oil pressure sensor in there hoping it was maybe a bad sending unit. Put 5w30 in and everyone said fram blows so I put a purlator in.
Well at cold it does the same thing, 40 and 40. At hot idle, it goes down to 10 again, but at 2k rpms its up to 40.
Something is obviously wrong that its dropping from 40 to 10 between 2K rpms and 800 rpms.
My neighbor and justin suggested I check the pressure relief valve in the oil pump to see if the spring is broken, its a common problem that causes low oil pressure. Any other ideas?
At cold temp, oil pressure read 40 psi at idle and at 2k rpm. Then when it got hot, at idle it would drop to 10 psi and at 2k rpm it would be a hair under 40.
I said fuck it, its not causing me any problems, and I read for every 1000 rpm you need to have 10 psi, so at 800 rpm idle, 10 psi was fine.
Well I was driving today and at 2500 rpms, my oil psi was 20. Not good. I needed to do my 3k mile oil change anyway so I did my oil change and put a new oil pressure sensor in there hoping it was maybe a bad sending unit. Put 5w30 in and everyone said fram blows so I put a purlator in.
Well at cold it does the same thing, 40 and 40. At hot idle, it goes down to 10 again, but at 2k rpms its up to 40.
Something is obviously wrong that its dropping from 40 to 10 between 2K rpms and 800 rpms.
My neighbor and justin suggested I check the pressure relief valve in the oil pump to see if the spring is broken, its a common problem that causes low oil pressure. Any other ideas?
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