Mazda3 Forums banner
1 - 1 of 3 Posts

· Registered
25,522 Posts
Probably not the fuel pump. Sounds like either an idle air control valve issue, or a vacuum leak.

I'm assuming this happened while he was stopped and the car wasnt moving.
1 - 1 of 3 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.