Have you cleaned the throttlebody recently? They start to stick after a while, it's been a pretty common issue. I've got an 06 dtec manual and mine did it too. Replaced the throttlebody (cleaning would suffice) and it was fixed. A co-worker of mine has the same problem with his 06 zx3.
Originally Posted by BertST
Hop on in babe! No really, you're gonna have to hop in. Roll Cage.
ROTM June '13, PNW Crew #42, SR #245, Rally Rev #02