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Old 10-16-2012, 11:52 AM
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05 6.0 NO START

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
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Old 10-16-2012, 12:12 PM
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Is that readings with koeo? Did you try to crank it with the icp unplugged?

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Old 10-16-2012, 12:33 PM
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Those were readings when cranking engine. Sorry
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Old 10-16-2012, 01:08 PM
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Are you able to read ipr?

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Old 10-17-2012, 04:47 AM
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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
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Old 10-17-2012, 04:51 AM
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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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Old 10-17-2012, 05:04 AM
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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???? ??
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Old 10-17-2012, 05:44 AM
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Quote:
Originally Posted by mhatlen View Post
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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Old 10-17-2012, 06:54 AM
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Auto Enginuity calls it injector control pressure regulator and is measured in % from 0.00 to 99.61. Thanks again Tony
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Old 10-17-2012, 08:01 AM
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Quote:
Originally Posted by tva13181 View Post
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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