Test Drive (Full Load, Rated Speed); Monitoring Engine Parameters Using Est And Fuel Pressure Gauge - Navistar International DT 466 Diagnostic/Troubleshooting Manual

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17. Test Drive (Full load, rated speed)

Monitor the following parameters during one test drive:
• Boost Pressure using EST
• Fuel Pressure using EST (optional, or mechanical
gauge)
• ICP and BCP using EST
Monitoring Engine Parameters using EST and
Fuel Pressure Gauge
Figure 336
Figure 337
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
6 PERFORMANCE DIAGNOSTICS
Figure 338
Purpose
To verify engine performance at full load and rated
speeds by means of maximum boost, minimum fuel
pressure, and minimum injection control pressure
Tools
•
•
•
•
•
possible death or damage to the engine or
vehicle, read all safety instructions in the "Safety
Information" section of this manual.
NOTE: If an EST is not available, use the Fuel
Pressure Gauge setup in this procedure with the
alternative procedure for testing boost pressure
(MAP), injection control pressure (ICP), and brake
control pressure (BCP) if equipped.
1. See "DT 466 Performance Specifications" –
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
EST with MasterDiagnostics® software
EZ-Tech® interface cable
Fuel Pressure Gauge
Fuel Pressure Test Adapter
Fuel/Oil Pressure Test Adapter
WARNING: To avoid serious personal injury,
Appendix A (page 595) or DT 570 and HT 570
Performance Specifications" – Appendix B (page
619) for specifications and record on Diagnostic
Form.