"hpop".... what is it and what does it do???? - Ford Powerstroke Diesel Forum
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Old 01-08-2009, 08:32 AM
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"hpop".... what is it and what does it do????

Guys, I'm new to diesels and I am seeing posts that make reference to the "hpop" and it's oil level. Would someone please elinghten me as to what this is, where it is and what it does.

Thanks, George
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Old 01-08-2009, 08:36 AM
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High pressure oil pump, and the oil level you check is in the resevoir. If it's not filled as it's supposed to, it will make the truck hard to start. It can be bled off by the IPR if it's malfunctioning.
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Old 01-08-2009, 08:41 AM
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the high pressure oil pump is fed by the low pressure oil pump to increase oil pressure inside the injector rails , the icp sensor monitors this pressure and sends that back to the pcm as an input , the pcm then adjusts the duty cycle of the ipr to control how high the pressure is produced by the hpop , without high pressure oil or the correct pressure , engine will not run or not run correctly
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Old 01-08-2009, 08:51 AM
What u talkin bout willis

 
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dont forget to change the hpop oil

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Old 01-08-2009, 08:54 AM
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Quote:
Originally Posted by REDPOWERSMOKER View Post
dont forget to change the hpop oil

oh lord here we go
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Old 01-08-2009, 08:59 AM
What u talkin bout willis

 
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Quote:
Originally Posted by SCUFFY828 View Post
oh lord here we go
im just kiddin man
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Old 01-08-2009, 09:02 AM
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Old 01-08-2009, 09:04 AM
What u talkin bout willis

 
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Quote:
Originally Posted by SCUFFY828 View Post
oh lord here we go
[/QUOTE]
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