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Home >> Hyundai >> 1994 >> Sonata V6-3.0L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Exhaust Gas Recirculation >> EGR Control Solenoid >> Testing and Inspection
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EGR Control Solenoid: Testing and Inspection

1. Disconnect the green striped hose from the solenoid valve and connect a hand vacuum pump to the fitting.
2. Disconnect the electrical connector.



3. Apply battery voltage to the electrical connectors as shown.
4. Apply vacuum to the solenoid with a pump and note the results.

Vacuum should hold when voltage is applied.
Vacuum should NOT hold when voltage is removed.

EGR Resistance Test:




5. Using an ohm meter check the resistance across the solenoid terminals.

Resistance: 36 - 44 ohms @ 20°C (68°F)
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