Mitsubishi Lancer Evolution 8. Manual - part 175
MPI – TROUBLESHOOTING
13A-86
Remarks
*1. The duration that injectors operate represents the time during which the power supply voltage is 11V, and cranking speed
is 250rpm or less.
*2. When the vehicle is new (500km or less on the clock), the injector operating time may be as much as 10% longer than the
standard time.
*3. When the vehicle is new (500km or less on the clock), the stepper motor step may be as much as 30 steps more than the
standard value.
★
This is not shown when check motor service data is selected.
Item
No.
Check
Items
Checking Conditions
Normal
condition
Code No. or
Checking
Procedure
No.
Page
Rapid
deceleration
from 4,000rpm
200mV or less
Engine: after warming up
((lean by decelerating,
rich by racing)
During harsh
racing
600 to 1,000mV
Idle running
A1
★
O
2
sensor
Engine: after warming up
(as well as using the O
2
sensor signal to check
air/fuel ratio), control
status is checked by
engine ECU
2,500rpm
400mV or less
600
↔
1,000m
V (changes)
Code
No.P0130
13A-16
24
★
Vehicle
speed
sensor
Driving at 40km/h
Approx. 40km/h
Code
No.P0500
13A-30
81
★
Learned
value
Engine: warmed up, no load 2,500rpm
(during fuel/ratio feedback control)
-12.5 to 12.5%
Code
No.P0170
13A-19
82
★
Feedback
Engine: warmed up, no load 2,500rpm
(during fuel/ratio feedback control)
-20 to 20%
Code
No.P0170
13A-19
Idle running
15 to 35%
-
-
87
★
Engine
load
Engine: after warming up
2,500rpm
15 to 35%
-
-
Foot off the
throttle pedal
8 to 16%
Foot
depressing
throttle pedal
Increases in
response to
pedal pressure
8A
★
TPS1
(Throttle
valve
opening)
•
Engine: after
warming up
•
Ignition switch: ON
(engine stopped)
Throttle pedal
fully open
80 to100%
Code
No.P0120
13A-13