No oil pressure! - Ford Powerstroke Diesel Forum
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post #1 of 27 Old 05-19-2019, 11:28 AM Thread Starter
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No oil pressure!

2 days ago, I went to start my truck after working my normal 10 hour day. It started, ran like **** for 2 seconds, then stalled and low oil pressure message came up. I didn't even make it out of the parkinf spot. Got it towed home and have checked the following:

Of course made sure oil level is ok

No oil building up in filter housing when cranking

Pulled ICP and no oil spraying out when cranked

Pulled relief valve spring/plunger from next to harmonic balancer and looks like its brand new (no pits, scratches, etc)

Replaced oil pressure sensor

Has o.e. motorcraft filter and correct size cap (change oil every 3-4k miles)

The oil gauge doesn't even move at all while cranking

The only code I have is one I've had for a long time (#7 glow plug)

The truck ran fine that morning on my 4 mile drive to work.

I'm seriously running out of ideas. I'll try to attach a video of my sct tuner gauges while cranking if it could help.

THANKS IN ADVANCE FOR ANYBODYS HELP AND/OR IDEAS
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post #2 of 27 Old 05-19-2019, 11:34 AM Thread Starter
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I can't seem to attach the video so all I could do was attach a screen shot...
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post #3 of 27 Old 05-19-2019, 11:44 AM
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you sure it is cranking fast enough to build oil psi ? your batts look low

other than that to lose oil psi you would need a leak in the system so pressure could not build / a bad pump /no oil /
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post #4 of 27 Old 05-19-2019, 11:53 AM
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sorry i cant be of more help but does the gauge on the dash respond to oil pressure when you crank it?
what year is your truck?
that will effect the likely suspects
and as zmann said those are pretty low volts with a stock starter you may not be getting the rpms required to push the hpo into start range.
but someone with more firsthand knowledge tearing these down might stop in and offer better assistance

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early 04 f350 6.0 cclb lariat sr
Bulletproof oil &egr, elc, sct x3, edge CTS, afe intake, blue spring, t-500, MTW stage 2, Vivians looney, 305 x55x20 bfg at ko's, 4 inch cat back, 4"BDS fox shocks and steering stabilizer, tri pilar gauge set, coolant filter, riff raff boots, new headliner, 7 inch touch screen w/back up, new carpet, near whole new interior,

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post #5 of 27 Old 05-19-2019, 11:55 AM
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Oil too "thin" for the pump to pick it up?

Possibly leave the pressure regulator out and crank over to see if the pump works at all? @ZMANN
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post #6 of 27 Old 05-19-2019, 12:10 PM
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if its an 03 early 04 and you are showing low pressure oil on the dash...
i would say the hpop
i have a termintator engineering t-500 and i love the thing but Corey at CNC fabrication makes a new replacement that is first rate and he is a regular here and a good guy who will take care of you.
the only other option is the adrenaline pump. i have no personal experience with them but have heard good things from others who have.
they can be hard to get ahold of though and corey hadnt made his pumps yet when i had to replace mine so i got the t500 and it has been flawless...

if not...ie: 05-07
have you done the stc fitting or dummy plugs and stand pipes for the 05 up hpo system?
if not you are going to want to anyways but...
if you do in fact have lpo then that leaves the hpo and an air test is the best way to locate the real problem

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early 04 f350 6.0 cclb lariat sr
Bulletproof oil &egr, elc, sct x3, edge CTS, afe intake, blue spring, t-500, MTW stage 2, Vivians looney, 305 x55x20 bfg at ko's, 4 inch cat back, 4"BDS fox shocks and steering stabilizer, tri pilar gauge set, coolant filter, riff raff boots, new headliner, 7 inch touch screen w/back up, new carpet, near whole new interior,

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post #7 of 27 Old 05-19-2019, 12:12 PM Thread Starter
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My truck is a 2006. It cranks strong so I don't think its the batteries. I had them on a trickle charger overnight too since I was cranking it for long periods of time to see if it took a while to build pressure for some reason. As for leaks, I don't see any external leaks. It only said "low oil pressure" that 1 time when trying to leave work and hasn't done it again. Oil gauge doesn't budge at all from koeo or while cranking either.
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post #8 of 27 Old 05-19-2019, 12:13 PM
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From the OP:
"No oil building up in filter housing when cranking"

Gotta have that low oil pressure before anything else works.
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post #9 of 27 Old 05-19-2019, 12:15 PM Thread Starter
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John, just replying with your advice is helping and truly appreciated. This forum is amazing as far as people helping others 👍
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post #10 of 27 Old 05-19-2019, 12:16 PM
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If you don't have oil in the filter cannister, and have checked the pressure regulator -- then pull the oil pump cover and look at the rotor and housing

In my defense, I was unsupervised
.
2006 F250 Lariat FX4 cclb
Torque Pro and OBDLink MX bluetooth monitor
General note:
For all those wanting a premium silicone sealer Kubota 70000-73764 is the best your gonna find. This is a hybrid gray silicone that uses solvent rather than acid to start the curing reaction, this makes it safe for aluminum and and any surface that involves coolant.

Last edited by Hydro; 05-19-2019 at 12:16 PM. Reason: spellering
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