6.0 oil pressure gauge - Ford Powerstroke Diesel Forum
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Old 02-13-2012, 03:57 PM
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6.0 oil pressure gauge

Hey Guys, I am new to this forum but I have an 05 F450 with the 6.0 and when cranking I get no movement on my oil pressure gauge on the dash, I read that the gauge should move about half way when cranking, any suggestions? I tried putting a manual gauge on the sender port but got no reading but my oil filter housing does fill up when turning engine over, I'm a bit confused why I get oil flow to the filter housing but no oil from the sender port, I even took the manual gauge off and turned engine over and nothing shot out of the port... please help with any suggestions, engine wont fire from no oil pressure!!!
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Old 02-13-2012, 04:39 PM
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The oil pressure gauge is just a switch, 5psi and it moves to the normal ramge. The op gauge is just an analog dummy light. What oil filter is in the truck and is the factory filter cap in place? If so I would remove the bypass and check the spring
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Old 02-13-2012, 06:39 PM
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6.0 oil pressure gauge

Thanks for responding to my issue, yes checked the bypass and the spring, also cranked over the motor and the filter housing fills up with oil, but I also removed the pressure sender and put a manual gauge on it and while cranking, still no reading. I am confused why I would have oil flowing into the filter housing but no oil coming out of the sender port, I even removed the manual gauge and cranked it over, not one drop of oil from the port???

Would a HPOP leak cause no oil pressure even to the LPOP? Truck was running fine down the road then all of a sudden lost power and shut off, will not start since and I checked ICP, zero pressure, good FICM, etc...
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Old 02-13-2012, 06:46 PM
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did you check your ipr valve?
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Old 02-13-2012, 08:39 PM
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no not yet, but plan to next... also going to check the LPOP at test port, just found out that there was one on this year motor...

I am just afraid to dig into the motor if its the LPOP... why do you think I would have oil flowing to filter but no oil from pressure sender by the filter housing?
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Old 02-13-2012, 08:45 PM
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Dont bother trying to use the test port for the lpop while the engine is in the truck because you cant without major dissasembly. Take out the oil temperature sender and use that for a pressure test port. WHAT BRAND OIL FILTER IS IN THE TRUCK? IS THE OEM FORD MOTORCRAFT OIL FILTER CAP IN PLACE? I have seen the wrong filter cause a no start no pressure situation because it does not fully seat the check valve in the bottom of the housing for the filter, is the small spring and poppet in place in the top of the oil filter base tube?

Last edited by codyrock87; 02-13-2012 at 08:49 PM.
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Old 02-13-2012, 08:53 PM
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Yes tried the temp sender, no oil pressure at all, its oem filter, yes cap is in place, truck was running fine then all of a sudden its losing power and then shut off, will not start now... I checked ICP no pressure, checked FICM, its ok, injectors buzzing etc, I am wondering why I get oil flow to filter but no oil from sender ports?
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Old 02-13-2012, 08:58 PM
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Have you pulled the spring and bypass from the front cover?
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Old 02-15-2012, 05:39 PM
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yes, installed new LPOP and relief valve kit, removed the fan shroud and hooked a test gauge to test port, nothing, not one drop of oil, but still get oil to flow into filter housing but I'm not depressing any bypass valve, just took the filter out and cranked engine over and it fills up with oil, maybe I got a bypass valve stuck? Any help with this would be great as I am running out of ideas for base oil pressure...
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