Originally Posted by Jano_OddKidd
Originally Posted by zvhturbo
Check the idle speed control valve, and check for any air leaks. Things such as not having the servo vacum hose in etc.
Matt.
Might be the ISCV stuck open letting air bypass, try and disconnect the plug if it still does it try tapping it with a rubber hammer.
If that still don't work disconnect the hose from the charge carrier pipe and block both openings.