6 PERFORMANCE DIAGNOSTICS
241
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If ICP is still high or unstable, and engine does
not have optional engine brake, replace the
IPR following procedures in Engine Service
Manual and test again.
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.