CHARCOAL CANISTER INSPECTION [MZR 1.8, MZR 2.0, MZR 2.5]

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Leakage Inspection

1.  Remove the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)

2.  Perform the following procedure:

•  Assemble the hose used for inspection (bore: approx. 14.8 mm {0.58 in}) to port A.

•  Cover ports B and C with the caps.

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Caution

•  Do not apply a pressure 20 kPa {150 mmHg, 5.91 inHg} or more to the charcoal canister for 1 min. or more. Doing so will damage the charcoal canister.

3.  Apply pressure (19.6 kPa {147 mmHg, 5.79 inHg}) through the hose, and verify that air does not leak from the charcoal canister.

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Airflow Inspection

1.  Remove the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)

2.  Perform the following procedure to verify the charcoal canister airflow.

Between port A and port B

1.  Plug the port C.

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2.  Apply a pressure of 19.6 kPa {147 mmHg, 5.79 inHg} to port A.

3.  Verify that there is airflow form port B.

•  If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)

Between port A and port C

1.  Plug the port B.

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2.  Apply a pressure of 19.6 kPa {147 mmHg, 5.79 inHg} to port A.

3.  Verify that there is airflow form port C.

•  If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)

Between port B and port C

1.  Plug the port A.

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2.  Apply a pressure of 19.6 kPa {147 mmHg, 5.79 inHg} to port B.

3.  Verify that there is airflow form port C.

•  If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)