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Fuel control unit and component
c. Turn the main switch or power switch
to OFF, and then connect the fuel pres-
sure sensor couplers.
d. Measure the fuel pressure.
See “Measuring the fuel pressure”
(6-2).
Out of specification → Replace the fuel
rail assembly.
Fuel pressure at idle speed (high-
pressure fuel pump)
330-400 kPa (3.3-4.0 kgf/cm²,
47.9-58.0 psi)
Fuel pressure at idle speed (DI
pump)
8.00 Mpa (80.0 kgf/cm², 1160.0
psi)
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