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Home >> Hyundai >> 2001 >> XG 300 V6-3.0L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Exhaust Gas Recirculation >> Testing and Inspection >> EGR System Check
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EGR System Check

EGR SYSTEM CHECK
1. Disconnect the vacuum hose from the EGR solenoid, and then connect a hand vacuum pump via the three-way terminal.
2. Regarding the engine in cold and hot conditions, check the condition of vacuum when a rapid racing has been performed by opening the throttle valve quickly.

When engine is cold




[Engine coolant temperature: 20 °C (68 °C) or less]

When engine is hot




[Engine coolant temperature: 80 °C (176 °C) or higher]

3. Disconnect the three-way terminal.
4. Connect the hand vacuum pump directly to the EGR valve.
5. Check whether the engine stalls or the idling is unstable when a vacuum of 29 kPa (8.7 in.Hg) or higher is applied during idling.
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