Idle Speed/Throttle Actuator - Mechanical: Adjustments

ADJUST

^ Start and run engine until normal operating temperature is attained.

Install Tachometer:

^ Connect a tachometer to the battery and also to data link connector (DLC) terminal IG.

Disconnecting Throttle Opener Vacuum Hose:

^ Disconnect throttle opener vacuum hose at throttle opener and plug the hose end.

^ Maintain engine speed at approximately 2,500 rpm.

^ Release the throttle lever and make sure that the throttle opener is set and the engine speed is 1,300 - 1,500 rpm with the radiator fan motor OFF. Replace the throttle opener if it does not set.

Adjusting Throttle Opener:

^ Adjust throttle opener setting speed by turning the adjusting screw clockwise to increase engine speed and counterclockwise to decrease engine speed.

^ Reconnect vacuum hose to throttle opener and disconnect tachometer.