COMMENT ON TROUBLE SYMPTOM
  • Failure is possibly caused by failed fuel system, throttle valve opening control system ignition system or other faults.
PROBABLE CAUSE
  • Failed ignition system
  • Failed fuel system
  • Failed throttle valve opening control system
  • Failed engine-A/T-ECU
DIAGNOSIS PROCEDURE
STEP 2. MUT-II/III data list
    1. Item 14: Throttle position sensor (sub)
    1. Item 77: Accelerator pedal position sensor (sub)
    1. Item 78: Accelerator pedal position sensor (main)
    1. Item 79: Throttle position sensor (main)
Q: Are the check results normal?
YES:  Go to Step 3 .
NO:  Perform the diagnosis code classified check procedure for the sensor that has shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).
STEP 3. Check ignition coil spark.
Q: Is the check result normal?
YES:  Go to Step 4
.
NO:  Check ignition circuit system (Refer to Inspection Procedure 30 ).
STEP 4. Fuel pressure measurement.
Q: Is the check result normal?
YES:  Replace engine-A/T-ECU.
NO:  Repair.
©2004 Mitsubishi Motors Corporation