Famous Best Electric Water Pump For Car Engine Suppliers – Nissan Qd32/td27 14650-7t401 Auto Parts Vacuum Pump – Xinli

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1、For the vacuum source of the vacuum booster system, vehicles with gasoline engines can generate a high vacuum in the intake manifold because the engine is of the ignition type.
generate a high vacuum pressure
The vacuum source for the vacuum assisted braking system can be provided by the high vacuum pressure in the intake manifold;

2. For diesel powered vehicles, the engine is of the compression ignition CI type, which does not provide the same level of vacuum pressure at the intake manifold, so a vacuum pump is required to provide a source of vacuum;

3. In addition, for gasoline direct injection engines GDI, which are designed to meet high emission and environmental requirements, the same level of vacuum pressure cannot be provided at the intake manifold to meet the requirements of the vacuum brake booster system, so a vacuum pump is also required to provide a vacuum source.

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