Icp sensor - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 04-20-2013, 02:13 PM Thread Starter
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Icp sensor

What should the Icp psi read? Mine reads at idle about 580

What should Icp voltage read? Mine reads at idle 0.9.

Monitoring with cts. Asking this due to sudden loss of power. Trying to track down problem, only code that its showing is p0341 cam position sensor.

I've searched this site for weeks and can't get a answer. Can you guys help me out please.


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post #2 of 8 Old 04-21-2013, 12:16 AM Thread Starter
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Someone tell me what theirs is reading?


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post #3 of 8 Old 04-21-2013, 01:16 AM
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Mine reads the same. I threw the same code after several long cranking attempts without turning over (bad batteries)..as far as loss of power, unsure.

2004 F-250 Lariat CCSB

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post #4 of 8 Old 04-21-2013, 02:25 AM Thread Starter
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Thanks for the reply.


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post #5 of 8 Old 04-21-2013, 06:36 AM
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TheICP reading look OK, but what you need to know is the corresponding IPR valve%. Is the IPR is 85% closed to hold that amount of ICP, then you have a big leak somewhere. If (at warm idle) you have 580 ICP and IPR is 18 or 22%, you likely do not have a high pressure leak.

Lack of power could be many things. Fuel filters changed? fuel pressure OK? turbo vanes sticking? EGR sticking open?

Need to look at other parameters and provide other symptoms to hope to get any diagnosis. Is it smoking under load? What color, how does it smell, dewleted EGR? any other recent work? maintenance history, does it hot or cold or both?

MikeB

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completed in 2011: STC update, new IPR, BPD EGR cooler, oil cooler rebuild, 6.4 banjo bolts, blue spring update, SCT X3, Insight CTS, 58V FICM, CCV Mod, DIY coolant filter (now gone), refinished turbo
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post #6 of 8 Old 04-21-2013, 07:38 AM
Fill it up again Dummy
 
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Yea your ICP is normal, what I would first look at for power loss would be your EBP. It is located on the driver side valve cover height, it has a SS tube going down to exh manifold. Pull the sensor and run a stiff wire through the tubing and then blow out with compressed air.
They plug up with soot what it does is regulates the turbo boost through the PCM.
Simple to look at good place to start and pretty common. Fuel additive does keep soot levels lower and is the best thing for fuel system including the injectors (won't varnish).


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post #7 of 8 Old 04-21-2013, 01:12 PM Thread Starter
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Can u send a picture of exact location? That would be helpful


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post #8 of 8 Old 04-21-2013, 02:13 PM Thread Starter
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My truck has new fuel, oil filters both mastercraft, egr delete, just cleaned turbo, fresh oil, cac boots are new.

No smoking at all. Truck runs great but there is a loss of power. I'm monitoring with CTS I don't have anything to monitor for IPR. What's is IPR? My Icp psi at idle is 580. Icp voltage is .9





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