4 ENGIN E SY M PTOMS DIAGNOSTICS 101
Problems and Conditions
Diagnostic test procedures help technicians
systematically find problems quickly to avoid
unnecessary repairs. In this section, diagnostic
and test procedures help identify causes for known
problems and conditions.
WARNING: To avoid serious personal
injury, possible death, or damage to the engine
or vehicle, read all safety instructions in the
foreword of this manual. Follow all warnings,
cautions, and notes.
EGES-270-1
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.