Ford Mustang Forum banner
Status
Not open for further replies.
1 - 1 of 7 Posts

· Registered
Joined
·
31,118 Posts
That's supposed to be a way to cure a surging idle. You can try patching the hole and see if it improves or gets worse.
 
1 - 1 of 7 Posts
Status
Not open for further replies.
Top