Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 458

MB991637
Gasket
Fuel
pump
MD998709
(high
pressure)
MD998742
Fuel pressure gauge
O-ring or gasket
MD998709
Fuel pump
(high
pressure)
MD998742
GDI –
On-vehicle Service
3. Remove the union joint and bolt from the special tool
4. Install the special tool (for measuring the fuel pressure)
High-pressure
fuel hose
High-pressure
5. Connect the MUT-II to the diagnosis connector.
fuel hose
6. Turn the ignition switch to ON. (But do not start the engine.)
7. Select "Item No.07" from the MUT-II Actuator test to drive
8. Finish the actuator test or turn the ignition switch to OFF.
9. Start the engine and run at idle.
10. Measure fuel pressure while the engine is running at idle.
11. Check to see that fuel pressure at idle does not drop
12. If fuel pressure is out of the standard value, troubleshoot
(adapter hose) and instead attach the special tool (hose
adapter) to the adapter hose.
that was set up in step 3.
<When using the fuel pressure gauge set (special tool)>
(1) Install the special tool (for measuring the fuel pressure)
between the high-pressure fuel hose and the fuel pump
(high pressure).
(2) Install the fuel pressure gauge set (special tool) on
the special tool (for measuring the fuel pressure)
putting the gasket between them.
(3) Connect the lead wire of the fuel pressure gauge set
(special tool) to the power supply (cigarette lighter
socket) and to the MUT-II.
<When using the fuel pressure gauge>
(1) Install the fuel pressure gauge on the special tool
(for measuring the fuel pressure) putting a suitable
O-ring or gasket between them.
(2) Install the special tool which was set up in step (1)
between the high-pressure fuel hose and the fuel pump
(high pressure).
the fuel pump (low pressure) at the fuel tank side. Check
that there are no fuel leaks from any parts.
Standard value: 324 – 343 kPa
even after the engine has been raced several times.
and repair according to the table below.
13A-99