5 HARD START AND NO START DIAGNOSTICS 181
Figure 212 Diagnostic coupling
1. Valve
2. Center section
NOTE: Engines are equipped with a fuel pressure
test valve in the form of either a Shrader valve or a
diagnostic coupling.
Figure 213 Fuel Pressure Gauge
1. Quick disconnect check valve
2. Fuel test line
3. Fuel Pressure Gauge
4. Inline shut-off valve
5. Clear test line
Figure 214 Fuel Pressure Test Adapter
NOTE: If the engine is equipped with a Shrader valve,
use the Fuel Pressure Test Adapter.
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.
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