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Old 10-20-2017, 10:57 PM   #1
bulldog77
 
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2007 cummins isx ugly fix

Buying a 2007 ih with a isx in it. What exactly is the ugly fix? Is it just a resistor kinda like a fuel save mod for acerts? Is just a jumper wire in a plug? Kinda curious. If it is just a resistor, what size resistor is it?

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Old 10-22-2017, 04:33 AM   #2
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I think resistor for barometric pressure sensor to fool engine thinking it is so high that EGR can not be used.
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Old 10-22-2017, 11:00 AM   #3
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Quote:
Originally Posted by Leiffi View Post
I think resistor for barometric pressure sensor to fool engine thinking it is so high that EGR can not be used.
Any idea what size resistor?

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Old 10-22-2017, 01:47 PM   #4
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Originally Posted by bulldog77 View Post
Any idea what size resistor?

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No idea. You have to check Cummins workshop manual, they usually tell sensor values. It must equal barometric pressure at over 5000'.
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