High Oil Pressure - Dodge Cummins Diesel Forum
2013-2018 General Discussion General Chit Chat About the 2013 model year differences 6.7L 4th generation Cummins - NO ADVERTISING - Sponsored by: StarLite Diesel

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post #1 of 54 (permalink) Old 05-23-2019, 11:14 AM Thread Starter
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High Oil Pressure

What would you consider high oil pressure for these engines? When I was running conventional oil, and before I deleted, I would see 50 PSI, maybe 52 PSI momentarily. Now I routinely see 56-59 PSI. Should I be looking at something being wrong?
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post #2 of 54 (permalink) Old 05-23-2019, 12:39 PM
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Originally Posted by chris t View Post
What would you consider high oil pressure for these engines? When I was running conventional oil, and before I deleted, I would see 50 PSI, maybe 52 PSI momentarily. Now I routinely see 56-59 PSI. Should I be looking at something being wrong?
Thanks,
Chris
Use a mechanical gunge if your interested in #s. Your EVIC is only a algorithm. If your lights not on. Its above 5psi.
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post #3 of 54 (permalink) Old 05-23-2019, 01:49 PM
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post #4 of 54 (permalink) Old 05-23-2019, 01:59 PM
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Added a mechanical one to mine. At hot idle it is right 20psi. At cruise 50 to 60psi. Cold it gets close to 100psi.

It was an easy addon to my edge insight.
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post #5 of 54 (permalink) Old 05-23-2019, 03:54 PM
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Added a mechanical one to mine. At hot idle it is right 20psi. At cruise 50 to 60psi. Cold it gets close to 100psi.

It was an easy addon to my edge insight.
Did you compare it to the EVIC, I am curious how far off it is.
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post #6 of 54 (permalink) Old 05-23-2019, 11:48 PM
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Use a mechanical gunge if your interested in #s. Your EVIC is only a algorithm. If your lights not on. Its above 5psi.
I just have a hard time believing this is true (algorithm vs. a simple pressure sender). I understand this is the prevailing logic around here because, what, there is no part number for an oil pressure sender? Has anyone confirmed this to be the case with Cummins?
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post #7 of 54 (permalink) Old 05-24-2019, 12:25 AM
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I just have a hard time believing this is true (algorithm vs. a simple pressure sender). I understand this is the prevailing logic around here because, what, there is no part number for an oil pressure sender? Has anyone confirmed this to be the case with Cummins?
Donít need to....
Hard way.....
Take yours out, apply air pressure to the switch and use an OHM meter. Slowly apply air pressure. See the change at about 5-7 PSI. Itís an open or closed circuit thatís it. No gradual resistance change.
To keep it really simple. Start your engine and unplug yours. Tell me what your pressure is. Tell me if you get a red light on your dash at the same time.

Donít shoot the messenger.
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post #8 of 54 (permalink) Old 05-24-2019, 01:00 AM
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This isnít new. Most gauges on cars or trucks anymore are ďdummyĒ gauges.


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post #9 of 54 (permalink) Old 05-24-2019, 01:13 AM
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Don’t need to....
Hard way.....
Take yours out, apply air pressure to the switch and use an OHM meter. Slowly apply air pressure. See the change at about 5-7 PSI. It’s an open or closed circuit that’s it. No gradual resistance change.
To keep it really simple. Start your engine and unplug yours. Tell me what your pressure is. Tell me if you get a red light on your dash at the same time.

Don’t shoot the messenger.
I forgot one thing. When you unplug the pressure SWITCH, jumper the plug once you check your dash instruments 1st. The circuit needs to be closed to think it’s getting minimum oil pressure. Take it for a drive and watch the magic.
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post #10 of 54 (permalink) Old 05-24-2019, 07:52 AM
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I forgot one thing. When you unplug the pressure SWITCH, jumper the plug once you check your dash instruments 1st. The circuit needs to be closed to think itís getting minimum oil pressure. Take it for a drive and watch the magic.
Suppose heíd believe you if you said the sun came up today?
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post #11 of 54 (permalink) Old 05-24-2019, 09:04 AM
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Did you compare it to the EVIC, I am curious how far off it is.
The dash gauge is always around 40 to 60 psi. Never shows the high pressure at cold start up or the lower pressure at hot idle. The dash gauge is just an idiot gauge.

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post #12 of 54 (permalink) Old 05-24-2019, 12:26 PM
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Originally Posted by jbawden View Post
I just have a hard time believing this is true (algorithm vs. a simple pressure sender). I understand this is the prevailing logic around here because, what, there is no part number for an oil pressure sender? Has anyone confirmed this to be the case with Cummins?
My 2001 2nd gen truck had the same idiot gauge, just as todays trucks...........

Sam
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