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Annoying Check Engine Light
My co-worker has an 03 Cummins, and when the weather gets cold as it is starting to now, he gets a check engine light for the battery temps being low. How can we eliminate this problematic check engine light for this nothing code?
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05 HPCR 6spd Bypass Filtration Installed
Currently 65k on Odometer
Lubrication Engineers......The very best. No I don't sell the stuff. I just believe in it fully! 
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