Mitsubishi FUEL Manual page 179

Item Inspection Inspection contents
No. item
34 Air flow Engine: After having
sensor sensor warmed up warmed up
reset sig-
nal
37 Volumetric D
efficiency
D
D
38 Crank D
angle sen-
sor D
39 Left bank D
oxygen
sensor D
(front)
D
D
MPI <6A1> -
Engine is idling
2,000 r/min
Engine coolant Engine is idling
temperature:
80 - 95_C
2,000 r/min
Lights, power
cooling fan and cooling fan and
all accessories:
Engine is suddenly
OFF
raced
Transmission:
Neutral
(A/T: P range)
Engine: Cranking [reading is possible
at 2,000 r/min or less]
Tachometer: Connected
Engine: After hav- When at 4,000
ing warmed up r/min, engine is
Air/fuel mixture is suddenly deceler-
made leaner ated
when decelerat- when decelerat-
ing, and is made
When engine is
richer when rac-
suddenly raced
ing.
Engine: After hav- Engine is idling
ing warmed up
The oxygen sen-
sor signal is used
to to check check the the
air/fuel mixture
2,500 r/min
ratio, and control
condition is also
checked by the
ECU.
Troubleshooting
Normal condition
ON
OFF
15 - 35 %
15 - 35 %
Volumetric effi-
ciency increases
in response to
racing
Engine speeds
displayed on the
MUT-II and
tachometer are
identical.
200 mV or less
600 - 1,000 mV
400 mV or less
(Changes)
600 - 1,000 mV
13A-179
Inspection Reference
procedure page
No.
Code No. 13A-101
P0100 P0100
- -
Code No. 13A-130
P0335
Code No. 13A-119
P0150