[13C] MULTIPORT FUEL INJECTION (MPI) <4G69> - - TROUBLESHOOTING - SYMPTOM PROCEDURES - Inspection Procedure 13. The Feeling of Impact or Vibration when Accelerating | PRINT PAGE / INDEX / PRIOR / NEXT

Inspection Procedure 13. The Feeling of Impact or Vibration when Accelerating
COMMENT ON TROUBLE SYMPTOM Failure is possibly caused by failed ignition leak with rise in spark plug-required voltage at acceleration, throttle valve opening control system.
PROBABLE CAUSE Failed ignition system Failed throttle valve opening control system Failed engine-A/T-ECU
| DIAGNOSIS PROCEDURE
| STEP 1. MUT-II/III diagnosis code Q: Diagnosis code set? YES: Inspection chart for diagnosis code (Refer to ). NO: Go to Step 2 .
| STEP 2. MUT-II/III data list Refer to Data List Reference Table . Item 14: Throttle position sensor (sub) Item 77: Accelerator pedal position sensor (sub) Item 78: Accelerator pedal position sensor (main) 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: Replace engine-A/T-ECU. NO: Check ignition circuit system (Refer to Inspection Procedure 30 ).

[13C] MULTIPORT FUEL INJECTION (MPI) <4G69> - - TROUBLESHOOTING - SYMPTOM PROCEDURES - Inspection Procedure 13. The Feeling of Impact or Vibration when Accelerating | PRINT PAGE / INDEX / PRIOR / NEXT

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