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Airflow Inspection

1.Disconnect the negative battery cable.

2.Remove the variable tumble solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L5].)

3.Inspect airflow between the ports under the following conditions.

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• If not as specified, replace the variable tumble solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L5].)