MANUALS · FUEL [13] · страница 193 из 340 · Открыть оригинал PDF ↗
Текст распознан со скана. Числа и обозначения можно сверить с оригиналом ниже.
(13)Stop the engine and check for a change of the value indicated
by the fuel pressure gauge The condition is normal if there is
nodecrease of the indicated value within two minutes
If there is a decrease of the indicated value, monitor the speed
of the decrease, and, referring to the table below, determine
the cause of the problem and make the appropriate repair,
Распознанный текст таблицы — требует сверки с оригиналом
| Condition | Probable cause | Remedy |
|---|---|---|
| After the engine is stopped, the fuel pressure drops graduall: | Injector leakage. | Replace the injector. |
| y | Leakage at the fuel pressure regulator valve seat | Replace the fuel pressure regulator: |
| There is a sudden sharp drop of the fuel pressure immediately after the engine is stopped | The check valve (within the fuel pump) is not closed. | Replace the fuel pump: |
4Remove all remaining pressure from inside the fuel pipe
(Refer to P.13-16.)
(1S)Disconnect the fuel pressure gauge and the special tool from
the delivery pipe.
Caution
Becausetherewillbeslightamountof remaining
pressure in the fuel pipe line, use rags to cover so that
fuel doesn't splatter.
(16)Replace the O-ring at the end of the fuel high-pressure hose
with a new one.
(17)After connecting the fuel high-pressure hose to the delivery
pipe, tighten the installation bolt at the specified torque
Tightening torque:5 Nm (0.5 kmg; 3.6 ft Ibs)
(18)Check to be sure that there is no fuel leakage
Apply battery voltage to the terminal for activation of the
fuel pump so as to activate the fuel pump
With fuel pressure applied, check for leakage of the fuel
line

