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Home >> Mitsubishi >> 2007 >> Lancer Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System Diagnosis >> Symptom Procedures >> INSPECTION PROCEDURE 1: Throttle Valve will not Fully Open or Close < 2.0L engine > >> Diagnosis
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INSPECTION PROCEDURE 1: Throttle Valve will not Fully Open or Close < 2.0L engine >: Diagnosis

  1. STEP 1.Check the accelerator cable adjustment. 

    Q: Is the accelerator cable properly adjusted? 

    YES  : Go to  Step 2.

    NO  : ADJUST THE ACCELERATOR CABLE  , and then go to  Step 4.

  2. STEP 2.Check the return spring. 

    Q: Is the return spring damaged or deformed? 

    YES  : Go to  Step 3.

    NO  : Replace, then go to  Step 4.

  3. STEP 3.Check the throttle lever. 

    Q: Is the throttle lever damaged or deformed? 

    YES  : Replace, then go to  Step 4.

    NO  : There is no action to be taken.

  4. STEP 4.Retest the system. 

    Q: Does the throttle valve fully open and close? 

    YES  : The procedure is complete.

    NO  : Return to  Step 1.