Oil Pressure drops when accelerating
OK so when im stopped at a light or such and i hit the gas to go my oil pressure gauge drops to 0 and then comes back up to normal. I think ive isolated it to when the turbo spools, but the interesting part is the actual oil pressure warning light never comes on. Is this normal?
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my oil psi never drops bellow 40psi. i've seen 100psi on real cold mornings but never lower then 40psi
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attach a mechanical gauge could be your pressure sensor and if it is here is the cummins part# 3923200 i am having the same problem with mine right now
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anyone else?
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I would just put a mechanical oil pressure gauge on it. i did it the same time i put a water temp gauge because my stock one was acting up.
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My 1996 had that problem, it was the oil pressure sending unit. Its be around 35 at idle then you would accelerate and it would go to zero. New sending unit fixed that
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Had that concern with my 89 so i put a mech gauge right at the filter base and i had 90 psi at an idle witch is within spec at that location. Ended up being my sender. Most trucks run about at half the gauge maybe a little lower at an idle . I have had cummins trucks with close to 500k that still carried 40+ at idle .. Altho a 24 valve oil pump is a good upgrade they are rated at 120psi..
---AutoMerged DoublePost--- just checked maintinince manual it states. low idle min-10psi at rated speedmin-30psi regulated pressure-50psi (regulated pressure would be where your factory sender is located) |
i have replaced sender on my 91.5 years ago with the same problem you have. it fixed it
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Thanks guys this is also happening on my 92 someone told me it was a bad engine ground. :choochoo:
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