Injector Check - Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement

13B-74
Equipment side
connector
MB991223
High-pressure fuel hose
MB991607
MPI –
On-vehicle Service
<Oxygen sensor (rear)>
Oxygen
sensor
1. Disconnect the oxygen sensor connector and connect the
(rear)
2. Make sure that there is continuity (2.5 – 5.0 Ω at 20 C)
3. If there is no continuity, replace the oxugen sensor.

INJECTOR CHECK

Measurement of Resistance between Terminals
Injector
1. Remove the injector connector.
2. Measure the resistance btween terminals.
3. Install the injector connector.
Checking the Injection Condition
1. Following the steps below, bleed out the residual pressure
2. Remove the injector.
3. Arrange the special tool (injector test set), adaptor, fuel
MD998741
Clip (MB991608)
Battery
4. Connect the MUT-II to the diagnosis connector.
5. Turn the ignition switch to ON. (But do not start the engine.)
6. Select "Item No.07" from the MUT-II Actuator test to drive
special tool (test harness set) to the connector on the
oxygen sensor side.
between terminal 3 and terminal 4 on the oxygen sensor
connector.
NOTE
(1) If the MUT-II does not display the standard value
although no abnormality is found by the above
mentioned continuity test and harness check, replace
the oxygen sensor (rear).
(2) For removal and installation of the oxygen sensor,
refer to GROUP 15 – Exhaust Pipe and Main Muffler.
Standaed value: 13 – 16 Ω (at 20 C)
within the fuel pipe line to prevent flow of the fuel.
(Refer to P.13B-69.)
pressure regulator and clips as shown in the illustration
below.
Injector
MD998706
the fuel pump.
Return hose
Pressure regulator
(MD116395)
13100520409