LOCK AND FREE SOLENOID VALVES INSPECTION

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1.  Disconnect the vacuum hoses and the connector from each solenoid valve.

2.  Blow through each valve from port B.

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3.  Inspect that air flows from the air filter.

4.  Connect 12 V and a ground to the terminals of each valve.

5.  Blow through each valve from port B.

6.  Inspect that air flows from port A.

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•  If not correct, replace the lock and free solenoid valve(s).