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-   -   Why does my 03 cummins idle so high some times? (http://www.ramforumz.com/showthread.php?t=123387)

farmall 10-10-2012 08:03 AM

Why does my 03 cummins idle so high some times?
 
Good morning all,
I have noticed that my 2003 cummins has been idling high for a while. It has 212000 miles on it and I have noticed that sometimes it idles as high as 1200 rpms. I am just concerned that this might be a symtom of something that needs attention. The truck runs flawlessly.

Thanks.

jakem49 10-12-2012 10:33 AM

if its cold outside then it goes into 'high idle' mode its just trying to warm up my dads does the same thing. and 212000 its really like only 212 miles on a cummins. High idle is normal when its cold outside your trucks alright dude


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