Mitsubishi MOTORS Space Runner 1998, Workshop Manual

Page: 285 / 1164

GDI <4G9> -
Troubleshooting
13B-43
INSPECTION PROCEDURE 11
The engine stalls when starting the car. (Pass out) Probable cause
The cause is probably poor ignition due to a malfunctioning spark plug (weak
spark), or an incorrect air/fuel ratio when the accelerator is depressed.
D Malfunction of the ignition system
D Malfunction of the air by-pass control system
D Malfunction of the EGR valve
D Air leaking into air intake system
OK
Check the following items in the order given.
D Ignition coil, spark plug
D Check for air leaking into the air intake system.
Damaged intake manifold gasket
Damaged or disconnected vacuum hose
Damaged air intake hose
OK
MUT- II Actuator test
08 Purge control solenoid valve (Refer to P.13B-68.)
NG
Check the purge control solenoid valve system. (Refer to P.13B-57,
INSPECTION PROCEDURE 30.)
OK
MUT-
II
Actuator test
18 Air by-pass control solenoid valve (ON/OFF) (Refer to P.13B-68.)
32 Air by-pass control solenoid valve (DUTY) (Refer to P.13B-68.)
NG
Check the air by-pass control solenoid valve system. (Refer to
P.13B-54, INSPECTION PROCEDURE 27.)
NO
MUT- II Data list
68 EGR valve (Refer to P.13B-66.)
NG
Check the EGR valve system. (Refer to P.13B-56, INSPECTION
PROCEDURE 29.)
MUT- II Self-Diag code
Is a diagnosis code displayed?
YES
Refer to P.13B-11, INSPECTION CHART FOR DIAGNOSIS
CODES.