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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 4154 (Functional Description - F10 - Engine Performance) >> Engine Performance - Functional Description >> Exhaust turbocharger check on the N63/N74 engine >> 4) Check the exhaust flap

4) Check the exhaust flap

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The function of the exhaust flap affects the charging at different operating points through the generated counter pressure in the exhaust system. A continuously closed exhaust flap can lead to charging faults! The exhaust flap is activated by vacuum. A vacuum line which has been pulled off can suck in particles such as dust, salt water etc. and transport these to the vacuum pump. This can cause damage to the vacuum pump.

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