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Engine Operation with
Intermittent Diagnostic Codes
If a diagnostic lamp illuminates during normal engine
operation and the diagnostic lamp shuts off, an
intermittent fault may have occurred. If a fault has
occurred, the fault will be logged into the memory of
the Electronic Control Module (ECM).
In most cases, an intermittent code will not require
the engine to be stopped. The operator should
retrieve the logged fault codes and reference the
appropriate information in order to identify the nature
of the event. The operator should log any observation
that could have caused the lamp to light.
• Low power
• Limits of the engine speed
• Excessive smoke
This information can be useful to help troubleshoot
the situation. The information can also be used for
future reference. For more information on diagnostic
codes, refer to the Troubleshooting Guide for this
engine.
SEBU9074-06
41
Operation Section
Engine Operation with Intermittent Diagnostic Codes
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