DR ALL-TERRAIN Wartungshandbuch Seite 140

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3-76 FUEL SYSTEM (DFI)
Fuel Line
Fuel Pressure Inspection
NOTE
This inspection can determine which trouble the DFI
system has, mechanical or electrical trouble.
It is preferable to measure the fuel pressure while run-
ning the vehicle just when trouble occurred in order to
know symptom well.
Be sure the battery is fully charged.
Remove the fuel hose (see Fuel Hose Replacement in the
Periodic Maintenance chapter).
WARNING
Be prepared for fuel spillage; any spilled fuel must
be completely wiped up immediately.
When the fuel hose is disconnected, fuel spills out
from the hose and the pipe because of residual
pressure. Cover the hose connection with a piece
of clean cloth to prevent fuel spillage.
Install the fuel pressure gauge adapter [A] and fuel hoses
(Special Tools) [B] between the fuel pump outlet pipe and
the delivery pipe.
Connect the pressure gauge [C] to the fuel pressure
gauge adapter.
Special Tools - Oil Pressure Gauge, 5 kgf/cm²: 57001-125
Fuel Pressure G auge Adapter: 57001-1593
Fuel Hose: 57001-1607
Fuel Hose L = 550: 57001-1707
WARNING
Do not try to start the engine with the fuel hoses
disconnected.
Temporarily, install the ECU [A] and actuator controller
[B].
Turn the ignition switch ON. The fuel pump will turn for 3
seconds, and then stop.
NOTE
Turn the ignition switch ON and inspect the fuel line
leakage after installing the special tools.
CAUTION
Do not drive the fuel pump without the fuel in the
fuel tank. If the fuel pump is driven without the fuel,
it may be damaged.
Start the engine, and let it idle.
Measure the fuel pressure with the engine idling.
Fuel Pressure (Idling)
Standard: 294 kPa (3.0 kgf/cm², 43 psi)
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