Normal IPR Duty Cycle and ICP Readings? - Diesel Forum - TheDieselStop.com
'99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the '99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

 
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post #1 of 9 (permalink) Old 05-24-2012, 12:49 PM Thread Starter
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Normal IPR Duty Cycle and ICP Readings?

Can someone tell me what the normal IPR duty cycle % and ICP pressure readings are at idle, normal cruising speeds (60-65mph) and WOT?

Just curious...

Thanks,

Griz

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post #2 of 9 (permalink) Old 05-24-2012, 06:20 PM
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Here is a bit of info copied;

ICP should be over 500 but 480-550 is normal Spikes to 2200 while cranking
ICP DC or aka IPR should be between 10-15% as well as Accelerator Pedal Position between 10-15%
WOT ICP DC should not exceed 65% and ICP should not drop below 1800PSI with Pedal Position between 70-80% Take out chip as rev limiter may be disabled with it in.

EXBP should be 10-15psi with EBPV closed and not exceed 45psi at WOT
EXBP showing low (3-5psi) that barley rises with acceleration indicates bad sensor or plugged tube.


Hope it helps some. Seldom do the ICP readings reach 2500 but if you do your truck is awesome.

2001 Excursion Limited Auto trans many buttons I still am finding. Factory 3 inch lift low mileage. 100% stock today we will see what tomorrow brings.


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post #3 of 9 (permalink) Old 01-07-2015, 05:20 PM
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Quote:
Originally Posted by mtnsammy View Post
Here is a bit of info copied;

ICP should be over 500 but 480-550 is normal Spikes to 2200 while cranking
ICP DC or aka IPR should be between 10-15% as well as Accelerator Pedal Position between 10-15%
WOT ICP DC should not exceed 65% and ICP should not drop below 1800PSI with Pedal Position between 70-80% Take out chip as rev limiter may be disabled with it in.

EXBP should be 10-15psi with EBPV closed and not exceed 45psi at WOT
EXBP showing low (3-5psi) that barley rises with acceleration indicates bad sensor or plugged tube.


Hope it helps some. Seldom do the ICP readings reach 2500 but if you do your truck is awesome.
Where did you find that info?

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post #4 of 9 (permalink) Old 01-07-2015, 08:28 PM
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Quote:
Originally Posted by rammertide07 View Post
Where did you find that info?
Not sure where he found it, but it seems a bit outdated and incorrect.
post #5 of 9 (permalink) Old 01-07-2015, 09:12 PM
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Can someone give us a more accurate list for our trucks? I am curious too as my duty cycle is way low while ICP is way high as far as I can tell. Kinda need more info before my 132k motor grenades in my driveway much to the wifes pleasure.

2000 F350 Lariat auto 4x4 cc Dually hutch/harpoon mod, zoodad mod, prepump filter/separator, billet fpr gold spring DIY Tymar intake
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post #6 of 9 (permalink) Old 01-07-2015, 11:50 PM
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post #7 of 9 (permalink) Old 01-08-2015, 12:02 PM
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I sure hope not. Any ideas on a more accurate list or chart?

2000 F350 Lariat auto 4x4 cc Dually hutch/harpoon mod, zoodad mod, prepump filter/separator, billet fpr gold spring DIY Tymar intake
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post #8 of 9 (permalink) Old 01-08-2015, 12:40 PM
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What happened? Did you check those things?
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post #9 of 9 (permalink) Old 02-02-2015, 12:37 AM
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Did you find additional information?
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