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Trying to see what I can do for my 2003 international 9400i…

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Trying to see what I...
Trying to see what I can do for my 2003 international 9400i with the Cummins isx
Submitted: 7 months ago.Category: Medium and Heavy Trucks
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Answered in 10 minutes by:
12/14/2017
Technician: Jeremy, Certified Truck/Bus Technician replied 7 months ago
Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3,776
Experience: ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician
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My name is ***** ***** I will assist you with your question today.

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We can go back and forth as needed to help resolve the issue you are having. Follow ups are free after ratings, so rate in confidence!

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Customer reply replied 7 months ago
I have a 2003 international 9400i with the Cummins Isx I replaces the motor with one out of a 2009 pro star but used the wiring harness and computer off of the 2003. The motor has plenty of power on the low side and on the high side until I hit 9th gear and it seems as if I don’t have anymore acceleration
Technician: Daniel Wilson,
 replied 7 months ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 2,785
Experience: Owner at DJ Wilson
Verified

Hi ,My name is***** will be glad to help. We can follow up as needed onhere, bare with me while I review your information. Im not anemployee of the site but I help on here as time allows in betweenjobs. Response time will vary depending on my work load , etc eachday.

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Technician: Daniel Wilson,
 replied 7 months ago

These engines are specd out differently as the 09 is specd for newer emissions standards...

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Technician: Daniel Wilson,
 replied 7 months ago

Did someone tell you that this would be compatible and interchangeable?

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Customer reply replied 7 months ago
The engine had a egr delete when it was in the 2009 so the egr is all blocked off
Technician: Daniel Wilson,
 replied 7 months ago

I have to run for a few hours to a meeting but we can follow up as needed on here

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Technician: Daniel Wilson,
 replied 7 months ago

The fuel system between the 03 and 09 are not the same

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Technician: Daniel Wilson,
 replied 7 months ago

Your best bet is to try to get it to run with the 09 ECM and harness with the delete programming

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Customer reply replied 7 months ago
The fuel system off of the 2003 is on it.
The truck runs fine until I get to about 50 mph and it seems as if I’m not getting any boost
Customer reply replied 7 months ago
Do the 2003 model have a exhaust boost sensor and no it wasn’t a egr engine
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