Federal

1. Disconnect the vacuum hose (green stripe) from the throttle body, and connect a hand vacuum pump to the vacuum hose.
2. Plug the nipple from which the vacuum hose is disconnected
3. Under the engine conditions shown below. check by applying vacuum from a hand vacuum pump.





When Engine is Cold-
Engine coolant temperature 40°C (104°F) or below





When Engine is Hot-
Engine coolant temperature 80°C (176°F) or higher