Audi a6 3.2 v6 quattro 2005 startup noise before upper ... (Josephine Horton) They found a faulty intake valve motor. Service tech said I got a whole new intake manifold installed. Performed visual inspection and found linkage rod for intake manifold tumble flaps is broken.
Save the cost of replacing intake manifold, economical and practical.
Using same pic as in your previous post.
So the control 'tumble' flap on the intake manifold broke recently. Recommend replacement of resonance intake manifold." Intake Manifold Flow Test. If this doesn't work you will have to replace the EGR complete.
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