Purge Port Vacuum Check

Checking Condition
Engine coolant temperature : 80-95°c (176-205°F)

Purge Port Vacuum Curve:

Procedure
1. Disconnect the vacuum hose from the throttle body EVAP Canister purge hose fitting and connect a vacuum pump.
2. Start the engine and check to see that, after increasing the engine speed, vacuum raises fairly constant.

NOTE: If there is no vacuum created, it is possible that the throttle body port may be restricted and required cleaning.