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The Audi SQ5 Sportback TDI - V6 3.0 TDI

Source: AutoMotoTV (Glomex)

The 3.0 TDI has been made even better in many details. The pistons were changed from aluminum to forged steel. The new material reduces heat loss and due to its strength there is no weight disadvantage compared to aluminium pistons. The solenoid valve injectors inject the fuel with consistently high precision because a new piezo sensor monitors the closing of the needle. They can deliver up to eight individual injections per work cycle, and can also meter minimal amounts of fuel with high precision.

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