1998 Honda Accord • 2.5L 6 cylinder FWD Automatic • 200,000 miles

When sitting still it jumps little bit I put heet iso in gas line and filled it u it don't do it much should I try something else. It started couple days ago I Thought it was gas I put in or moisture in gas line so I tryed the heet it don't do it much jus at stop light with heat on
January 8, 2014.

It could be many things. Have you checked for vacuum leaks? When was the last tune up?