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Old 07-07-2016, 11:37 PM   #1
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EB Low Oil Pressure?

Have any of you 2015-16 EB owners noticed oil pressure in the 18-20 psi area? When my car is fully warmed up and stopped at a light or whatever, the oil pressure goes down to 20 psi. The first start up of the day it sits at 50-60 psi
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Old 07-08-2016, 06:34 AM   #2
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idk specifically about the EB but oil PSI is normally a good bit higher with cold oil this is even more apparent in winter or conversely lower in summer.
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Old 07-08-2016, 09:21 AM   #3
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yea, thanks. I live in florida when I start up the car I get between 50-60 psi. When it comes up to operating temp the oil pressure goes down to 20 psi ( or less)
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Old 07-08-2016, 03:22 PM   #4
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20psi seems very low for a turbocharged car. Any one else check their gauges?
This is of course PP cars that have oil gauges.
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Old 07-09-2016, 08:16 AM   #5
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Can any of you EcoBoost owners come back and post your oil pressures readings after your car is warmed up? Please.
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Old 07-12-2016, 09:19 AM   #6
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Hello

Brand new car and at idle 20-30.

When I place the car in sport mode the pressure goes up.
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Old 07-12-2016, 11:12 AM   #7
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Thanks, mine is a steady 20 psi with an occasional dip below that. Have to try in Sport mode.
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Old 07-12-2016, 12:14 PM   #8
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sport mode oil psi goes up?

are you sure?
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Old 07-16-2016, 02:37 PM   #9
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No, oil pressure remains the same. Did quite a bit of back and forth, but oil pressure remains just slightly below 20 psi when stopped at a traffic light.0/stop sign.
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Old 07-17-2016, 05:32 AM   #10
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go to the dealer and see what another car reads and see if service will tell you what the specs are (I assume there are minimum readings for diagnosis).

as I said earlier idk but I doubt it's an issue but since it may be a sign of something bad (doubtful) it's worth the effort.
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Old 07-17-2016, 07:26 AM   #11
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20 PSI at idle is fine.
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Old 07-17-2016, 08:52 AM   #12
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I think I'll do that I'll go to the dealer and take a test drive. I've been trying to find specs on oil pressure with no joy.
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Old 07-17-2016, 09:57 AM   #13
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10 psi for every 1000 rpm is the norm.
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Old 07-17-2016, 03:04 PM   #14
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Yes, on a fully warmed up engine 20psi at idle is normal. My Ecoboost fully warmed up is in the 20 psi range at idle and jumps to about 35 psi at cruising speeds.

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Old 07-17-2016, 03:09 PM   #15
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Thanks. I appreciate the info from all of you forum members
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Old 07-25-2016, 09:04 AM   #16
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Please....Don't send me PMs about this thread. Post them right here.... I'm trying to keep forum active....
thanks..
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Old 08-09-2016, 10:28 AM   #17
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rule of thumb is 10psi per 1000 rpms
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Old 08-10-2016, 07:45 AM   #18
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I don't think your rule of thumb applies for turbo engines. In all my years of racing (40+)I have never had an hot idle of less than 30 psi. Then of course this is my first Ford turbo.
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Old 08-10-2016, 07:47 AM   #19
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Still waiting for the rest of the EcoBoost community to post their hot idle oil pressures. Is <20 psi common?
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Old 08-10-2016, 07:56 AM   #20
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Can you tell me why it isn't normal?
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Old 08-10-2016, 07:59 AM   #21
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That's what I am trying to find out. Thus the thread. I want to see what Forum members get. I get between 15 ish and 20 psi on a hot idle.
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Old 08-10-2016, 08:00 AM   #22
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That is normal, don't believe me? Go test drive brand new ones. Let it get nice and hot.

Just test drove like, 30 mustangs because my wife is picky, sat at a light in nearly every single EB, and is around 20ish in gear
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Old 08-10-2016, 08:44 AM   #23
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Quote:
Originally Posted by thelastsumurai View Post
I don't think your rule of thumb applies for turbo engines. In all my years of racing (40+)I have never had an hot idle of less than 30 psi. Then of course this is my first Ford turbo.
what oil weight was in those racing engines? what weight is in yours now? my guess is it's either 5-20 or 0-20 which is thin.

thin oil = low psi.
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Old 08-10-2016, 08:58 AM   #24
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Quote:
Originally Posted by Strange Mud View Post
what oil weight was in those racing engines? what weight is in yours now? my guess is it's either 5-20 or 0-20 which is thin.

thin oil = low psi.
I think the EB's call for 5-30
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Old 08-10-2016, 09:11 AM   #25
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Jon,

Google agrees with you about the 5-30. I'll stick with what most of us are saying (including you) is it's OK but take a ride to the dealer and see what others are running
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Old 08-10-2016, 09:34 AM   #26
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I know you're agreeing. I just don't see why the OP think's it's not okay... The yare gear driven oil pumps...
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Old 08-11-2016, 07:36 PM   #27
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Quote:
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I don't think your rule of thumb applies for turbo engines. In all my years of racing (40+)I have never had an hot idle of less than 30 psi. Then of course this is my first Ford turbo.
I have been driving turbo 4s continuously since the mid 80s all of them have had hot idle in the 20 psi range. The old 10 psi per 1000 has changed, it's lower. It is more important to have high volume than high pressure today's oils have much higher film strength so they can prevent metal to metal contact with much lower viscosities and lower pressure. This frees up power (and improves economy) that would otherwise be used to turn the pump.

If you don't think it takes a lot of power to turn the pump, ponder this; I am a long time Mopar guy and have a lot of experience with the small block 340s and 360s. The high oil pressure is better mentality prompts a lot of folks to build these engines with a high pressure oil pump. Up at 6000 rpm there is so much load on the oil pump drive shaft it will shear it right off.


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Old 08-11-2016, 09:52 PM   #28
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I don't care about high pressure. The only gleam I got from your post is that you have been have seen 20 psi on 4 cyl turbos for a long time and that gives me some relief. I've been letting my turbo idle down for fear of coking up my Turbolike I did with my 84 Saab Turbo and that sucker had 30 psi at hot idle. Less than 10 psi. Hmmm Thanks for the info.

I know running sentances. idc
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Old 08-12-2016, 10:40 AM   #29
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The difference between your 84 Saab and your Mustang is the Saab didn't have a water cooled bearing housing in the turbo like the Mustang and all modern turbo cars do.

Coking up the oil in the turbo has nothing to do with the idle oil pressure it is the fact that the oil stops flowing when you shut the engine off and the heat in the turbo cooks the oil. The modern liquid cooled turbos the bearing housing doesn't get hot enough to cook the oil when shut off.

Plus you were likely not using synthetic oil in the Saab. Synthetic oil has a much higher temperature rating and can withstand the heat the turbo generates better.




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Old 08-12-2016, 12:45 PM   #30
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OK... Thank you all for your responses.. I am satisfied that my oil pressure is ok, especially now that I use synthetic oil..
This thread is closed as far as I am concerned. Thanks again..
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Old 08-14-2016, 06:52 PM   #31
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Don't own a EB but every Ford I've owned around 12 have all ran 15-20 hot even my 66 pony ran about 18,when cold they run high and it gives you a warm fuzzy feeling then bam engine warm down to 15-20, I would start to worry when it dropped to 12ish but nothing a qt of oil or can of STP didn't fix on my older fords.
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Old 08-19-2016, 06:59 PM   #32
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FWIW, back when cars had idiot lights for oil pressure I ran the engineering test lab for a company that made the sensors for the bug 3 that tripped the idiot light.

They all were calibrated to trip between 4 psi and 8 psi.

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