Fuel and emission control systems
Evaporative gas check valve (one-way) inspection (l.h.d.)
In this manual: Fuel and emission control systems
~1min read
1. Remove the evaporative gas check valve (one-way).
2. Apply pressure to port A, and verify that there is no airflow.
- If there is airflow, replace the evaporative gas check valve (one-way).
3. Apply negative pressure to port A, and verify that there is air flow.
- If there is no airflow, replace the evaporative gas check valve (one-way).

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