EVAP Canister Purge Port Vacuum Check

Checking Condition 

Engine coolant temperature: 80-95°C (176-205°F)

1. Disconnect the vacuum hose from the throttle body EVAP Canister purge hose fitting and connect a vacuum pump.
   Fig 1: Checking EVAP Canister Purge Port Vacuum

   Courtesy of KIA MOTORS AMERICA, INC.
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.