2007 MITSUBISHI LANCER EVOLUTION engine

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Page 597 of 1449

MITSUBISHI LANCER EVOLUTION 2007  Service Repair Manual MPI -Troubleshooting13A-65
NG
Check for the entry of foreign matter (water, kerosene, etc.) in fuel.
Check the trouble symptoms.OK
End
NG
Replace the engine-ECU.
Check the trouble symptoms.OK
End
OK
R

Page 598 of 1449

MITSUBISHI LANCER EVOLUTION 2007  Service Repair Manual MPI -Troubleshooting13A-66
Inspection Procedure 9
Engine stalls when starting travel. (Pass out)
Probable cause
Causes shown on right are suspected.DIgnition system malfunction
DIntake system malfunct

Page 599 of 1449

MITSUBISHI LANCER EVOLUTION 2007  Service Repair Manual MPI -Troubleshooting13A-67
Inspection Procedure 10
Engine stalls during deceleration
Probable cause
Causes shown on right are suspected.DIdle speed control system malfunction
DExhaust gas purifier sys

Page 600 of 1449

MITSUBISHI LANCER EVOLUTION 2007  Service Repair Manual MPI -Troubleshooting13A-68
Inspection Procedure 11
Pulsation (Hesitation, sag), poor acceleration, stumbling,
surging
Probable cause
Causes shown on right are suspected.DAir/fuel ratio control system

Page 601 of 1449

MITSUBISHI LANCER EVOLUTION 2007  Service Repair Manual MPI -Troubleshooting13A-69
NG
Check and repair the intake hose and manifold damage and air
intake.
OK
Check the trouble symptoms.OK
End
NG
Check the compression pressure.
(Refer to GROUP 11 - Engine A

Page 602 of 1449

MITSUBISHI LANCER EVOLUTION 2007  Service Repair Manual MPI -Troubleshooting13A-70
Inspection Procedure 12
Shock during acceleration
Probable cause
The occurrence of ignition leaks, etc., due to the rise in voltage required for the spark
plugs during accel

Page 604 of 1449

MITSUBISHI LANCER EVOLUTION 2007  Service Repair Manual MPI -Troubleshooting13A-72
Inspection Procedure 14
Knocking
Probable cause
Causes shown on right are suspected.DDetonation sensor malfunction
DKnocking control system malfunction
DSpark plug malfuncti

Page 605 of 1449

MITSUBISHI LANCER EVOLUTION 2007  Service Repair Manual MPI -Troubleshooting13A-73
Inspection Procedure 15
Deviation of ignition interval
Probable cause
Causes shown on right are suspected.DCrank angle sensor malfunction
DCamshaft position sensor malfuncti