COMMENTS ON TROUBLE SYMPTOM
  • Failure is possibly caused by failed fuel system, ignition system or other faults.
PROBABLE CAUSE
  • Failed ignition system
  • Failed fuel system
  • Timing belt out of place
  • Failed engine-A/T-ECU
DIAGNOSIS PROCEDURE
   
Q: Is the check result normal?
YES:  Go to Step 4 .
NO:  Repair.
STEP 6. Check spark plug cable itself.
Q: Is the check result normal?
YES:  Go to Step 7 .
NO:  Replace spark plug cable.
STEP 7. Check ignition coil itself.
Q: Is the check result normal?
YES:  Go to Step 8 .
NO:  Replace ignition coil.
       
  • Check earthing line for open circuit or damage.
Q: Is the check result normal?
YES: 
  • Check and repair harness between terminal No. 3 of ignition coil connector of each cylinder and C-112 engine-A/T-ECU.
    • Check signal line for open/short circuit and damage.
NO:  Repair.
STEP 9. Measure fuel pressure.
Q: Is the check result normal?
YES:  Replace engine-A/T-ECU.
NO:  Repair.
©2004 Mitsubishi Motors Corporation