97 psd icp

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Jul 28, 2011 | 09:14 PM

#31

Action4478

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Quote:

Originally Posted by brad7.3

Yes, 650psi at idle, under 1500psi wot

That would be oil pressure ...

There is a schraeder valve on the FPR to test the fuel pressure ... Name: Fuel heater connection.jpg
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Jul 29, 2011 | 05:35 AM

#32

brad7.3

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From: Gaylord, Michigan

Oops, I read fuel, but saw oil. No, haven't checked fuel pressure, what kind of fuel pressure should it have?

Jul 29, 2011 | 06:11 AM

#33

427 fordman

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From: Plankinton, SD

It should have about 40-60lbs at idle.

Jul 29, 2011 | 09:21 AM

#34

brad7.3

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Ok, I'll check this afternoon. But, Would the fuel pressure have anything to do with the low oil pressure though?

Jul 29, 2011 | 01:40 PM

#35

brad7.3

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Ok, checked fuel pressure, cold engine startup, at idle 80psi, and oil pressure @1000psi.

Jul 29, 2011 | 06:29 PM

#36

brad7.3

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Ok, checked fuel pressure, cold engine startup, at idle 80psi, and oil pressure @1000psi. Would the fuel pressure affect the oil pressure?

Jul 29, 2011 | 06:39 PM

#37

Action4478

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Low FP can set the code , PCM is calling for ICP at 1000, seems to high to me ...THe IPR may not be responding properly ...

Jul 29, 2011 | 09:51 PM

#38

brad7.3

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From: Gaylord, Michigan

Should I replace the ipr valve then?

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Jul 29, 2011 | 10:21 PM

#39

oldbird1965

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From: AZ

You might be able to give it a good cleaning. I didn't have any luck with mine and finally just bought a new one.

Jul 30, 2011 | 08:09 AM

#40

brad7.3

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From: Gaylord, Michigan

I'll just buy a new ipr, and try it.

Jul 30, 2011 | 08:19 AM

#41

bad12jr

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From: Maysville, Kentucky

They are almost 300 dollars. That a lot of money to just try

Jul 30, 2011 | 08:59 AM

#42

oldbird1965

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I've seen them on Ebay for cheaper. I got mine from Joey at Terminator for $200.

Jul 30, 2011 | 09:31 AM

#43

Action4478

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Unless you have the extra cash to use on an IPR test , I would take it out & verify the O ring on the small end is good & give it the shake test. (it should rattle). We are also assuming the oil is full( not in need of a change ) & diesel rated ..

I'm not a fan of cleaning the IPR at no start , but it may help in this case ....

If you buy one ,they are fairly cheap on E bay , if that is not the problem , it doesn't hurt to have a spare ...

Jul 30, 2011 | 10:08 AM

#44

brad7.3

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From: Gaylord, Michigan

I'll probably just get one and try it, I need to get thing running better. I'm kinda getting tired of screwing with this thing, if it wasn't in such good shape and long paid off, I'd get rid of it! But who wants a truck payment?