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SMARTY high idle @ 80*

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need edge ez

Cummins head stud prices are ridiculous

My high idle and 3 cyl. cut-out is happening at all temps. It came on yesterday when I was idleing and loading trailer.



Anyone else have this with SMARTY?
 
Yep only when its not warmed up.



Ya know, I had a problem with grid heater not comming on last winter when

-20* Replaced IAT with new one, but still through the IAT code.
 
The reason it only does it when cold is it also requires the coolant temp to be below a certain value. Once the water is warm it won't let the high idle work.



JC
 
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