Mustang Evolution Forum banner
1 - 1 of 6 Posts

· Registered
3,544 Posts
I also highly recommend seafoam, had a slight rough idle, ran seafoam through my vacuum line and gas tank, not only is my idle smooth as can be now, but it increased my MPGs enough to notice a difference.
1 - 1 of 6 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.