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Home >> Mitsubishi >> 2007 >> Lancer Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System Diagnosis >> Symptom Procedures >> INSPECTION PROCEDURE 2: Throttle Valve will not Fully Open or Close < 2.4L engine > >> Diagnosis
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INSPECTION PROCEDURE 2: Throttle Valve will not Fully Open or Close < 2.4L 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 3.

  2. STEP 2.Check the accelerator pedal position sensor assembly. 

    Check that the lever of the accelerator pedal position sensor assembly moves smoothly by moving it by hand.

    Q: Does the lever of the accelerator pedal position sensor assembly move smoothly? 

    YES  : Go to  Step 3.

    NO  : REPLACE THE ACCELERATOR PEDAL POSITION SENSOR ASSEMBLY  ), then go to  Step 3.

  3. STEP 3.Retest the system. 

    Q: Does the throttle valve fully open and close? 

    YES  : The procedure is complete.

    NO  : Return to  Step 1.