Where is the automobile pvc valve?

Automobile pvc valve position: 1. Open the hood. There are two pipes on the right side of the engine, one of which is connected to the air filter (the one on the engine near the front of the car);

2. One is connected to the intake manifold behind the throttle (the engine is the one behind the car);

3. The one behind the throttle goes up, and the valve it connects is a pvc valve, which is one-way.

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