Inspection Procedure 1
Throttle Valve Will Not Fully Open or CloseDIAGNOSIS
STEP 1. Check the accelerator cable adjustment.
Q: Is the accelerator cable properly adjusted?
YES: Go to Step 2.
NO: Adjust the accelerator cable. Then go to Step 4.
STEP 2. Check the return spring of the throttle body.
Q: Is the return spring damaged or deformed?
YES: Replace the throttle body (Refer to throttle body). Then go to Step 4.
NO: Go to Step 3.
STEP 3. Check the throttle lever of the throttle body.
Q: Is the throttle lever damaged or deformed?
YES: Replace the throttle body (Refer to throttle body). Then go to Step 4.
NO: Go to Step 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.