05 6.0 NO START

[tva13181]

Need help folks. Replaced all injectors, stand tubes and plug tubes, screen and ipr valve. Ran great for two weeks. Scan readings show ficm@48v. Icp@40.22psi. Icp reg@84.77. Unplugged Icp and readings are icp@1511.47psi and icp reg@67.19. It just shut down while driving and now will not start. Fully charged batteries and oil leval in hash marks. Stc updated also. Thanks

[southend]

Is that readings with koeo? Did you try to crank it with the icp unplugged?

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[tva13181]

Those were readings when cranking engine. Sorry

[southend]

Are you able to read ipr?

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[tva13181]

No. My program will read everything but ipr. I di some more checking and this is what I have. No codes. Key on, icp plugged in, batt 14.81, ect 61.20f, ficm logic power 14.50, ficm main power 48.00v, icp 0psi, icp volts 0.25, icp reg 14.84%, iat 56.0f,. Key on, icp unplugged, no change from other readings. Key to start, icp plugged in, batt 11.25, rpm 171, ficm sync yes, ficm logic power 11.00v, ficm main power 48.00v, icp control pressure 45.89psi, icp volts 0.29v, icp reg 84.77%, Key to start, icp unplugged, ficm sync yes, icp 1500.14, icp volts 0.00, icp reg 66.41%, all other info the same. Thanks for any help you can offer. Tony

[southend]

You apparently have a hpo leak, or your hpop is bad. You wil need to preform the hpo leak test first. Maybe something was not torqued correctly.

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[mhatlen]

I dont uderstand the icp reg figures you posted, is this the IPR duty??

The engine needs 500 psi to turn the ficm on, possible that IPR picked up debris from the repair work and causing issues.
You may want to pull the IPR and inspect it. Dont get your values???? ??

[southend]

Originally Posted by mhatlen

I dont uderstand the icp reg figures you posted, is this the IPR duty??

The engine needs 500 psi to turn the ficm on, possible that IPR picked up debris from the repair work and causing issues.
You may want to pull the IPR and inspect it. Dont get your values???? ??

Me either, but i'm assuming it means req(required)?

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[tva13181]

Auto Enginuity calls it injector control pressure regulator and is measured in % from 0.00 to 99.61. Thanks again Tony

[southend]

Originally Posted by tva13181

Auto Enginuity calls it injector control pressure regulator and is measured in % from 0.00 to 99.61. Thanks again Tony

Icp regulator is your ipr, then. If ipr is at 84%, that is an indication of hpo leak. It is commanding more oil pressure for the injectors.

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