06-02-2006, 11:19 PM
Sounds like either a vacuum leak or blockage in the side passages for idle air to pass through when the main butterfly valve is closed on the TB. On the FC TB there are 3 little holes on the side for idle air. Make sure these aren't blocked by the gasket or whatever goop you use to seal it.
vintage 2000 malibu blue ZX3 ***SOLD***
2013 performance blue ST
TEAM P.I.T.A.
2013 performance blue ST
TEAM P.I.T.A.