Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1212

Inspection Procedure 17
Abnormal odor, white smoke, black smoke, high CO or HC
concentration when idling
Causes shown on right are suspected.
MUT-II Self-Diag code
D Is a diagnosis code output?
MUT-II Actuator test
D No. 01: No. 1 injector
D No. 02: No. 2 injector
D No. 03: No. 3 injector
D No. 04: No. 4 injector
OK: The idling state changes.
D Proceed to NG if the cylinder (NG cylinder) for which the idling
state did not change when injector was stopped is pinpointed.
D Proceed to OK if all cylinders are OK, or if the NG cylinder
cannot be pinpointed.
Check the ignition timing.
(Refer to GROUP 11 - Engine Adjustment.)
MUT-II Data list
D No. 12: Air flow sensor
D No. 13: Intake air temperature sensor
D No. 21: Engien coolant temperature sensor
D No. 25: Barometric pressure sensor
(Refer to P.13A-102.)
<Reference>
Proceed to OK if all service data values are correct.
Proceed to NG if there is even one abnormal service data value.
Check the air intake from the intake hose and intake manifold.
Check for exhaust gas leaks from exhaust manifold.
MUT-II Data list
D No. 11: Oxygen sensor (front) (Refer to P.13A-102.)
MUT-II Data list
D No. 59: Oxygen sensor (rear)
(Refer to P.13A-105.)
Check the fuel pressure. (Refer to P.13A-128.)
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MPI -
Troubleshooting
NO
OK
OK
OK
OK
OK
OK
OK
OK
Probable cause
D Air/fuel ratio control system malfunction
D Ignition system malfunction
D Fuel system malfunction
D Intake and exhaust system malfunction
D Exhaust gas purifier system malfunction
D Improper compression pressure
D Catalyst defect
D Engine-ECU malfunction
YES
INSPECTION CHART FOR DIAGNOSIS CODE
(Refer to P.13A-12.)
NG
Check the Code No. P0201: No. 1 injector system, P0202: No. 2
injector system, P0203: No. 3 injector system and P0204: No. 4
injector system. (Refer to P.13A-30, 31, 32, 33.)
NG
Check the Inspection Procedure 15: Deviation of ignition interval
(Refer to P.13A-73.)
NG
Refer to inspections for diagnosis code of sensor showing
abnormal service data. (Refer to P.13A-102.)
NG
Repair
NG
Repair
NG
Check the Code No. P0130: Oxygen sensor (front) system.
(Refer to P.13A-24.)
NG
Check the Code No. P0136: Oxygen sensor (rear) system.
(Refer to P.13A-27.)
13A-75