Fast Idle

Inspection
Fast Idle Cam
1. Verify that the indicated mark on the fast idle cam is aligned with the center of the cam.
2. Warm up the engine to operating temperature and verify that the wax rod extends outward fully and the idle cam separates from the roller at 55-65°C (131-149°F).
3. Adjust with the appropriate adjustment screws if necessary.




Adjustment
1. To adjust the fast idle cam separation point D, turn adjustment screw B.
2. To adjust the fast idle cam opening temperature, turn adjustment screw A.




Double Throttle Valve
Inspection
1. Verify that the No.2 secondary throttle valve and linkage move smoothly when primary throttle valve is fully opened.
2. Replace throttle body if necessary.