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By the way. My resting voltage was 12.9, the 10.8 was during the actual continuous cranking, just to clarify.

Thank you for the response. I was able to get the truck to run finally. I wound up replacing the IPR with genuine Ford, which helped the pressure build quicker, but still no fire. Upon my 20th buzz test it finally kicked a p1219 code, CID stuck low. So I went and took another cps that was known...

Hey folks So I have a 2000 f450 no start condition. Icp= 2200 psi Ipr= 34% Rpms= 135-140 Voltage= 10.8 while cranking Fuel psi = 90 Wts= operational Buzz test= Good New fuel tank, new pickup screens and foot, new fuel line, new fuel pump, new fuel filter, plunger removed. Rebuilt turbo, new...

Take 300 shipped?

Swapped the old idm back in, and it still runs. Ran contribution tests, which was great and kept, came back with nothing engine related. One thing is, it takes an unusually long time to start. As in excessive cranking. Plenty of rpms though, in the 200's. And it seems laggy, only built about 8...

It runsssssssss!!!!!! I cleaned up the whole harness, cleaned and dielectric every connection. Everyone. Replaced the batteries. And with a little luck and persistence she finally started. Thank you so much fellas. In conclusion I think this was a collaboration of issues. I havent tested the...

I'm going to purchase new ones this evening after work.

Riff raff diesel

I wouldn't say it's our off the question, I thought about it, until I dare the price of a new one.lol I'm gonna chase a couple more gremlins first and buy the harness as a last ditch effort. But glad to hear it resolved your issues, I think I have resolved the majority of my harness issues, i hope.

Ok so. I buzz tested the injectors after clearing all dtcs to start with a clean slate. The buzz test popped up a p1210. I then attempted to crank it over. The ipr continued to climb up past 45%, but the icp never showed any pressure, so that makes sense. The cps status says ok and rpms only...

So I finally got the new valve cover gaskets and harnesses installed. Everything ohmed out great. 2.9 across the board. However still no start. Except now it sounds like it hiccups occasionally, like it's thinking about it. I did also crawl beneath the truck to check for air out of the exhaust...

Does anyone find the Ipr % odd. The icp pressure is not defaulting to 2200 psi, I can watch it climb. But should the ipr be closing so much?

I haven't tried testing my idm on another truck, however I have another idm from a running truck that I tested with no changes. The pcm is on the list after the uvch gets replaced. At this point, it has to be something simple or right under my nose. Hopefully the new uvch does the trick.

I have previously swapped the first and third relays in Hope's it was that simple . Thanks though

Btw the p1670 code is still present. There is also : P0113 P0603 B1869 B1884

Okay so I only had time to get to the driver side. And before i did i took one last monitor on cranking. Okay first the data, Icp= 2278.3psi Ipr= 40.2% Rpm= 138 Voltage= 12.4-8.2v with glow plug relay unplugged I ohmed the idm plug to the valve covers, everything checks out now. Ohmed out...

Evening everyone. Sorry I havent responded sooner. Life always has a way of getting in the way. I still have not removed the valve covers yet. Going to start after this message. I am unaware as to whether or not the uvch is factory or not. Truck has 190k on it, and I have just recently...

All sounds probable, I'm going to be getting to the valve covers in the next couple of days, after I test and check everything I will try again. I log everytime I turn it over, so we will see what happens. I will keep everyone up to date. Thanks for the help.

Roger that on the ohms, thanks for input. I'm in the process of opening the valve covers up to inspect everything and determine whether solenoids or harness is in need of replacing. My concern presently, is would the injectors explain the no start. Given there is a "bad one" on each bank, given...

The resistance iam getting is between .0045 ohms and .0055 ohms. Am I chasing a ghost here or is the concern valid. Btw the resistance from idm to cylinder 2 is 12ohms, and cylinder 7 is 4.4 ohms. If detected by the idm, would these prevent their respective banks from firing all injectors...