Secondary air system

Make

Skoda

Model

Superb

Section

2.0/85 kW engine › Exhaust system › Secondary air system

EngineSecondary air system

Testing combination valve Test conditions l  Final control diagnosis performed → Vehicle diagnosis, testing and information system VAS 5051 l  The suction and pressure lines should not be kinked or blocked and the connections should be tight Test sequence –  Remove the sound dampening system → Body Work; Rep. Gr.50.   Note Do not use any compressed air during the subsequent test!

–  Remove the pressure hose -arrow- on the secondary air pump motor and blow into it using gentle pressure. Combination valve must be closed. –  Blow into it at high pressure: The corresponding combination valve should open.   Note The combination valve opens at a pressure of about 0.006...0.007 MPa (60...70 mbar). If the combination valve does not open or is constantly open: –  Replace the combination valve.

01 Engine