Purge Control System

1. Disconnect the vacuum hose (red stripes) from the throttle body and connect it to a hand vacuum pump.
2. Plug the nipple where the vacuum hose is disconnected.
3. Apply 53 kPa (16 in.Hg) of vacuum to check the following items.

When engine is cold
Engine coolant temperature: 4O°C (1O4°F) or less
Engine status
Normal condition 3000 rpm: Vacuum is maintained

When engine is hot
Engine coolant temperature: 8O°C (176°F) or higher
Engine status
Normal condition 3000 rpm: Vacuum leaks

4. Remove the hand vacuum pump and connect the vacuum hose (red stripes) to the original position.





5. Disconnect the purge air hose from the air intake hose and connect a hand vacuum pump to the purge air hose.
6. Plug the air intake hose nipple.
7. Apply 53 kPa (16 in.Hg) of vacuum to check the following items under 80° C of engine coolant temperature.

Engine status
Normal condition, Idle: Vacuum is maintained
Suddenly racing engine: Vacuum is leaks