low oil pressure at startup - Diesel Forum - TheDieselStop.com
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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 04-11-2008, 08:54 PM   #1 (permalink)
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low oil pressure at startup

This is probably a dumb question, but I just got my 04 Powerstroke 6.0. When I start it the check gauge light comes on and I have no oil pressure. Once it warms up the check gauge light goes out and the oil pressure raises to normal, then it drops for a second and goes back to normal. Is this supposed to happen? and will it hurt to not let it warm up and drive with the check gauge light on and low oil pressure (according to the gauge)? Any help with this will be appreciated.
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Old 04-11-2008, 09:51 PM   #2 (permalink)
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Originally Posted by cbrmarengo View Post
This is probably a dumb question, but I just got my 04 Powerstroke 6.0. When I start it the check gauge light comes on and I have no oil pressure. Once it warms up the check gauge light goes out and the oil pressure raises to normal, then it drops for a second and goes back to normal. Is this supposed to happen? and will it hurt to not let it warm up and drive with the check gauge light on and low oil pressure (according to the gauge)? Any help with this will be appreciated.
No thats not normal. I assume you have checked the oil level. It would not start without oil pressure. If it starts and runs fine other than the problem you mention, then I would assume you have an indicating problem.
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Old 04-11-2008, 11:16 PM   #3 (permalink)
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yes i would have to agree. that does not sound normal at all. At least, my truck doesn't do that. When i start my truck, it takes a few seconds, but oil pressure builds right away. Maybe oil leak, or maybe worn engine? have you done an oil analysis lately to see if anything suspicious is going on? How many miles on engine?
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Old 04-13-2008, 12:36 AM   #4 (permalink)
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Thank you for your help

After further investigation I found that the previous owner for some odd reason cut the dipstick handle cup off of the handle, Thus resulting in low oil pressure. Thank you for your help though.
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No thats not normal. I assume you have checked the oil level. It would not start without oil pressure. If it starts and runs fine other than the problem you mention, then I would assume you have an indicating problem.
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Old 04-13-2008, 12:40 AM   #5 (permalink)
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Thank you for your help

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Originally Posted by dieselmankane View Post
yes i would have to agree. that does not sound normal at all. At least, my truck doesn't do that. When i start my truck, it takes a few seconds, but oil pressure builds right away. Maybe oil leak, or maybe worn engine? have you done an oil analysis lately to see if anything suspicious is going on? How many miles on engine?
Thank you for your help but after further investigation I found that the previous owner for some odd reason cut the cup off of the dipstick handle! Why? I have no idea but that was the problem. I used electrical tape to seal the dipstick handle to the tube until my new dipstick is delivered. Thank you again for your response.
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Old 04-13-2008, 01:03 AM   #6 (permalink)
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that will have no effect on it seeing the motor has a crank case ventilation system so there is no pressure in the oil pan. The oil pressure is pumped in 2 fourms, the LPOP that is run from the crank and the HPOP in the vally of the motor..
LPOP Page 23: Lubrication System

some after market oil filters will not press the oil stand down hard enuf to let the oil flow correctly back down threw the oil cooler. stick with motor craft or International parts.
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Old 04-13-2008, 01:11 AM   #7 (permalink)
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HPOP http://www.backglass.org/duncan/ps60...l/ps60_040.jpg
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