throttle body New Topics › Forums › General Discussion › 2004 – 2009 Nissan Quest › throttle body This topic contains 0 replies, has 1 voice, and was last updated by james2i 4 years, 8 months ago. Viewing 1 post (of 1 total) Author Posts November 11, 2012 at 3:36 am #1771 james2iMember My 2008 Nissan Quest throttle body has carbon in it. I need to clean it out but not sure where it is at. If someone has a picture or diagram to show where it is at then I’m very appreciated it. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.