Mazda 3 Service Manual: Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]

Mazda 3 Service Manual / Engine / General / Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]

1. Remove the air bypass valve..

2. Connect the vacuum pump to the vacuum ports of the air bypass valve.

3. Verify that the airflow is as indicated in the table.


Vacuum (kPa {mmHg, inHg})	Valve operation condition	Airflow between port A—B
–66 {–495, –19} or more	Open	Yes
–49 {–368, –14} or less	Closed	No

Vacuum

(kPa {mmHg, inHg})

Valve operation condition

Airflow between port A—B

–66 {–495, –19}

or more

Open

Yes

–49 {–368, –14}

or less

Closed

Approx. value

If there is any malfunction, replace the air bypass valve..

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