Mitsubishi FUEL Manual page 261

INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptom
Communication Communication with all systems is not possible.
with MUT-II is
Communication with engine-ECU only is not possible.
impossible.
Engine warning The engine warning lamp does not illuminate right after the
lamp and ignition switch is turned to the ON position.
related parts
The engine warning lamp remains illuminating and never goes
out.
Starting No initial combustion (starting impossible)
Initial combustion but no complete combustion
(starting impossible)
Long time to start (improper starting)
Idling stability Unstable idling (Rough idling, hunting)
(Improper idling)
Idling speed is high. (Improper idling speed)
Idling speed is low. (Improper idling speed)
Idling stability When the engine is cold, it stalls at idling. (Die out)
(Engine stalls)
When the engine is hot, it stalls at idling. (Die out)
The engine stalls when starting the car. (Pass out)
The engine stalls when decelerating.
Driving Hesitation, sag or stumble
Poor acceleration
Surge
The feeling of impact or vibration when accelerating
The feeling of impact or vibration when decelerating
Knocking
Dieseling
Too high CO and HC concentration when idling
Low alternator output voltage (approx. 12.3 V)
Idling speed is improper when A/C is operating.
Fans (radiator fan, A/C condenser fan) are inoperative
Clutch switch system malfunction <M/T>
GDI ECO indi- GDI ECO indicator lamp does not illuminate.
cator lamp sys-
GDI ECO indicator lamp remains illuminated and does not go off.
tem
GDI -
Troubleshooting
13I-67
Inspection Reference page
procedure
No.
1 13I-68
2 13I-68
3 13I-69
4 13I-69
5 13I-70
6 13I-72
7 13I-73
8 13I-75
9 13I-76
10 13I-77
11 13I-79
12 13I-80
13 13I-81
14 13I-82
15 13I-83
16 13I-83
17 13I-83
18 13I-84
19 13I-85
20 13I-86
21 13I-86
22 13I-87
23 13I-87
24 13I-88