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Home >> Mitsubishi >> 2004 >> Eclipse RS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> Engine Control System Diagnosis >> Symptom Procedures >> Inspection Procedure 1: Throttle Valve Will Not Fully Open Or Close >> Diagnosis
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Inspection Procedure 1: Throttle Valve Will Not Fully Open Or Close: Diagnosis

  1. Check the accelerator cable adjustment.

    Q: Is the accelerator cable properly adjusted?

    YES : Go to Step 2.

    NO : Adjust the accelerator cable by referring to DIAGNOSIS  , and then go to Step  4 .

  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. 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. Check symptom.

    Q: Does the throttle valve fully open and close?

    YES : This diagnosis is complete.

    NO : Return to Step  1 .