2000 powerstroke low oil pressure problems - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 03-11-2013, 08:02 AM Thread Starter
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2000 powerstroke low oil pressure problems

I have a 2000 powerstroke with 373k on the clock. After warmup the oil pressure, at idle, will drop out to zero. The minute you touch the pedal the pressure shoots up like normal. Can't see how my it could be a sensor or gauge prob as it works fine all other times except idle.

Anyone ever heard of this one before!???
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post #2 of 9 Old 03-11-2013, 08:39 AM
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this the oem gauge or an aftermarket gauge, you get'n reading from?

How's it start-up?

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #3 of 9 Old 03-11-2013, 09:17 AM Thread Starter
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It would be the oem dash gauge.
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post #4 of 9 Old 03-11-2013, 09:19 AM Thread Starter
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Oh and it starts fine which is why I was confused. I know the HPOP is functioning cuz it's running smoothly. But the fact that it is always the same behavior, zero at idle ten good readings at other rpms, made me wonder if a sensor would act like that.
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post #5 of 9 Old 03-11-2013, 09:26 AM
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FWIW, i put together a diy kit, made from parts at Harbor Freight. My a/m gauge, sensor located on my oil by-pass system, would have funny readings.

Get a 200psi liquid filled gauge, a grease gun 18" flex hose, 1/4nptf x 1/8nptf coupling, and a #4ORB x 1/8nptf adaptor..(hydraulic supply shop). That ORB fitting, fits in the hpop oil fill resivoir slot. OR, without ORC, you can screw the flex hose into a port, on the oil cooler, left of filter...

This will get you an idle reading, if anythings' wrong...

200 PSI Filled Gauge

18" Flexible Grease Hose

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #6 of 9 Old 03-11-2013, 09:30 AM Thread Starter
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Thanks for the info, so if the truck is running smoothly there's little chance I have a pressure problem?
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post #7 of 9 Old 03-11-2013, 09:34 AM
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i wouldnt say that. I'm try'n to find the "default" setting for oil pressure, for the needle to even start to move. Its one of those things, where a/m gauges are alot more beneficial then the factory dummy gauges...coolant, egt, trans, oil psi/temp...all helps in these situations.

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #8 of 9 Old 03-11-2013, 09:38 AM
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LPOP

i replaced mine, just because...anal like that. Wasnt a difficult job, but you'll need a different bolt, then using the factory bolt, to re-install the harmonic balancer....


7.3 low oil pressure - Ford Truck Enthusiasts Forums

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #9 of 9 Old 03-11-2013, 05:28 PM
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You could actually have low pressure issues.
In case you don't know, the HPOP uses oil the LPOP sends to it. So if you have ZERO pressure, the HPOP would eventually run out, no HPO for injectors, then no running truck.
You could have a piston nozzle broken off, of other things wrong.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
330,000 + miles
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