Actuating Intake manifold change -over valve -N156-

WARNING: This page is about a different car, the 2003 Audi S6 and 2002 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.

Press -->key.

Indicated on display

Fig 1: VAG 1551 Scan Tool Display - Actuating Intake Manifold Change-Over Valve

Courtesy of AUDI OF AMERICA, INC.

If the valve is not actuated (does not click).

The valve must click.

Check intake manifold change-over valve -N156-. See INTAKE MANIFOLD CHANGE-OVER, CHECKING (A6 MODELS) or INTAKE MANIFOLD CHANGE-OVER, CHECKING (S6 MODELS) .