97
UnclassifiedCooling
What This Code Means
Exhaust manifold air temperature exceeded warning threshold; High exhaust temperature; Engine shutdown
Possible Causes
- •Engine exhaust manifold air temperature is above normal and has reached the shutdown trip point
- •Higher ambient temperature
- •Increase in load
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Get a diagnosis walkthrough for 97 on your specific Cummins unit — cited to the OEM manual, not a forum guess.
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