Pajero II Workshop Manual 1991 · FUEL · страница 256 из 339 · Открыть оригинал PDF ↗
Текст распознан со скана. Числа и обозначения можно сверить с оригиналом ниже.
(13)lf the fuel pressure measured in steps (9) to (12) deviatesfrom
the standard value range, check for the probable cause by
referring to the table below, ad then make the appropriate
repair,
Таблица в оригинале
Распознанный текст таблицы — требует сверки с оригиналом
| Condition | Probable cause | Remedy |
|---|---|---|
| Fuel pressure is too low. durin l d | Fuel filter is clogged. | Replace the fuel filter. |
| g Fue pressure rops racing: No fuel pressure in fuel return hose. | Malfunction of the valve seat within the fuel pressure regulator, leakage or fuel to return side caused by spring deteri- oration_ | Replace the fuel pressure regulator |
| Fuel pump low discharge pressure | Replace the fuel pump. | |
| Fuel pressure is too high: | The valve within the fuel pressure reg- ulator is sticking: | Replace the fuel pressure regulator |
| Clogging of the fuel return hose andlor the pipe. | Clean or replace the hose andlor pipe | |
| No change of the fuel pressure when vacuum hose is connected and when not connected, | Damaged vacuum hose or nipple clog- ging: | Replace the vacuum hose, or clean the nipple: |
(14)Stop the engine and check for a change of the value indicated
by the fuel pressure gauge: The condition is normal if there is
no decrease 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 ad make the appropriate repair.
Таблица в оригинале
Распознанный текст таблицы — требует сверки с оригиналом
| Condition | Probable cause | Remedy |
|---|---|---|
| After the engine is stopped, the fuel ressre dros radall | Injector leakage. | Replace the injector: |
| pu p guy | 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: |
(151Remove allremaining pressurefrom inside the fuel pipe_
(Refer toP.13-89.
16)Disconnect the fuel pressure gauge ad the special tool
from the delivery pipe
Caution
Because there will be a slight amount of remaining
pressure inthe fuel pipe line, use rags tocover So
that fuel doesn't splatter:
Оригинальная страница руководства
