hyundai Workshop Repair Guides

Hyundai Workshop Service and Repair Manuals

Evaporative Check Valve > < Component Inspection|Page 4459
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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.

2. Start the engine and check to see that, after increasing the engine speed, vacuum rises fairly constantly.

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

Evaporative Check Valve > < Component Inspection|Page 4459