MY 98 HONDA V6 IDLES UP AND DOWN, AND HAS A HISSING SOUND COMING FROM THE THROTTLE BODY WHAT COULD CAUSE THIS?
Sunday, November 14th, 2010 AT 10:51 PM
2 Replies
KHLOW2008
MECHANIC
41,814 POSTS
The hissing noise indicates a vacuum leakage resulting in the engine surging. You should check where the vacuum leakage is occuring to rectify the problem.