sounds like a vacuum leak somewhere. the idle is pretty bad.
the knocking sound sounds like DISA or could be the engine backfiring.
also get yourself a set of NGK sparkplugs cuz they are OEM.
2009 Mazda RX-8 R3
2013 Toyota FJ Cruiser
2008 YAMAHA YZF-R6
Last edited by jasonbimmer; 05-27-2012 at 03:39 PM.