What Are The Symptoms

[bilko0795]

What are the symptoms for a dodgy Isv apart from rough idling ? and would vag com throw any codes for the Isv.

[Greg_S]

Mine occasionally stalled at junctions or idled very high at time but was mostly intermittent

[Rusty]

Have you checked the breather yet?

[pasbogdan]

http://www.youtube.com/watch?v=xZWkAzR-EXc&feature=youtu.be

This is one....I never taught it is isv.It could not been reved also.Look at afr.Even if you pull off the isv from hoses it will not do like that.

[bilko0795]

Not tested breather yet as it's pi--ing down and can't get in the garage.