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Home >> Mitsubishi >> 2004 >> Lancer Evolution >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Evolution >> Engine Control System Diagnosis >> Symptom Procedures >> Inspection Procedure 2: Accelerator Pedal Operation Not Smooth (Over Acceleration) >> Diagnosis
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Inspection Procedure 2: Accelerator Pedal Operation Not Smooth (Over Acceleration): Diagnosis

  1. STEP 1. Check the accelerator pedal. 

    Q: Is the accelerator pedal good condition? 

    1. YES:  Go to Step 2.
    2. NO:  Replace the accelerator pedal (Refer to ACCELERATOR CABLE AND PEDAL REMOVAL AND INSTALLATION ). Then go to  Step 5.
  2. STEP 2. Check the installation condition of the accelerator pedal. 

    Q: Is the accelerator pedal loose? 

    1. YES:  Tighten, then go to  Step 5.
    2. NO:  Go to Step 3.
  3. STEP 3. Check the accelerator cable wiring. 

    Q: Is the accelerator cable routing bent sharply? 

    1. YES:  Repair, then go to  Step 5.
    2. NO:  Go to Step 4.
  4. STEP 4. Check the accelerator cable lubricant. 

    Q: Is the accelerator cable lubricated sufficiently? 

    1. YES:  Go to Step 5.
    2. NO:  Refill or replace the lubricant, then go to Step 5.
  5. STEP 5. Retest the system. 

    Q: Does the accelerator pedal work normally? 

    1. YES:  The procedure is complete.
    2. NO:  Return to  Step 1.