Mitsubishi Lancer Evolution VI - Fuel

MPI – Troubleshooting
13-61
8. ACTUATOR TEST REFERENCE TABLE
Item
No.
Inspection
item
Drive contents Inspection contents Normal condition Inspection
procedure
No.
Reference
page
01 Injectors Cut fuel to No.
1 injector
Engine:
After having warmed
up/Engine is idling
Idling condition
becomes different
(becomes unsta
Code No.
41
13-15
02 Cut fuel to No.
2 injector
up
/E
ng
i
ne
i
s
idli
ng
(Cut the fuel supply to each
injector in turn and check
li d hi h d ’ ff
(b
ecomes uns
t
a-
ble, resulting in
engine stall).
03 Cut fuel to No.
3 injector
j
cylinders which don’t affect
idling.)
04 Cut fuel to No.
4 injector
07 Fuel pump Fuel pump
operates and
fuel is recircu-
lated.
D Engine:
Cranking
D Fuel
pump:
Forced
driving
Inspect ac-
cording to
Pinch the
return hose
with fingers
to feel the
pulse of the
fuel being
recirculated.
Pulse is felt. Procedure
No. 25
13-36
cor
di
ng
t
o
both the
above condi-
tions.
Listen near
the fuel tank
for the
sound of
fuel pump
operation.
Sound of opera-
tion is heard.
09 Fuel
pressure
control
valve
Solenoid valve
turns from
OFF to ON.
Ignition switch: ON Sound of opera-
tion can be heard
when solenoid
valve is driven.
Procedure
No. 34
13-45
12 Waste
gate
solenoid
valve
Solenoid valve
turns from
OFF to ON.
Ignition switch: ON Sound of opera-
tion can be heard
when solenoid
valve is driven.
Procedure
No. 35
13-45
13 Fuel pump
relay No.2
Turn fuel
pump relay
No.2 from
OFF to ON.
D Ignition switch: ON
D Listen to pump operation
sound near fuel tank.
Sound of opera-
tion can be heard.
Procedure
No. 25
13-36
17 Basic igni-
tion timing
Set to ignition
timing adjust-
ment mode
D Engine: Idling
D Timing light is set
5_BTDC – –