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Thread: Oil Pressure
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Old 12-07-2012, 11:49 AM   #1
Focus Enthusiast
Join Date: Nov 2012
Fan#: 105907
Location: La Honda, CA
What I Drive: 2013 performance blue ST3

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Oil Pressure

My ST is the first car I have had an oil pressure gauge. I have no real idea what it should be reading. These are my finding please tell me if they are normal.

Cold Start:
3/4 or above on the gage until warm

Warm Start:
Goes to 50% then comes down

in the lower 1/4 area. Seems low to me

around 50%

When the car had low milage the gage never went down to the lower 1/4 area. Now I have 2200 miles on the car it lives down there at idle. I'm guessing this is normal.

Does the wear level of the oil change the oil pressure?
How much variation should I expect based on outside temp?
Does the now lower oil pressure at idle suggest the engine is now broken in?

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