Fuel Pressure Test - Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement

13D-82
Fuel high
pressure hose
Delivery pipe
MB991637
Gasket
MD998709
Delivery
MD998742
pipe
Fuel pressure gauge
O-ring or gasket
MD998709
Delivery
MD998742
pipe
MPI -
On-vehicle Service
8. Switch OFF the ignition switch.
9. Disconnect the MUT-II.
10. Start the engine again and let it run at idle speed for

FUEL PRESSURE TEST

1. Release residual pressure from the fuel pipe line to prevent
2. Disconnect the high-pressure fuel hose at the delivery
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.)
NOTE
Unless the ISC servo is released, the Actuator test mode
will continue 27 minutes.
about 10 minutes; check that the idling condition is normal.
fuel gush out. (Refer to P.13D-84.)
pipe side.
Caution
Cover the hose connection with rags to prevent splash
of fuel that could be caused by some residual pressure
in the fuel pipe line.
(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 delivery
pipe.
(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 delivery
pipe.