Operation of Secondary Ports
 

I've noticed a short little vibration, or metallic rattle coming from the engine bay when I accelerate through the upper rpm ranges lately. It always happens, and consistenly occurs in the same region, somewhere between 6K and 7K rpms - sooner if part throttle, and higher rpm if full throttle. I have come to the conclusion that this related somehow to the operation of the secondary ports. Problem is, I never really was aware of this before, and am worried there may be something amiss.

Has anyone noticed that there is a brief, subtle sound associated with the operation of the secondary ports with the 6MT?

Before you make another post, Please try to learn a bit more about your car.

notice that it has been more than 6 hours and no one bother to answer your question? Im nice enough to give you a guide.

A guide? What guide? I guess I'm too dumb to understand your usage of the English language in addition to my extremely limited knowledge of my car.

Sorry.

its normal. don't worry about it. secondaries open earlier- you are hearing what mazda terms "auxiliary" ports and what we call the "tertiary" ports.

My point is.

GO DO SOME HOMEWORK ! Remember, its YOUR car. Not ours.

You're not even new to this forum ... *shurgs*

Thanks. I figured it was the ports but didn't know they made noise like that.

Why do you spend your time writing responses like this telling other people what you think they should know. It would have taken less time to just answer the question.

It's my car not yours? Really? Thanks for clearing that up so I don't have to do a search on it.

How many hours did u wait ?

if u actually use that search function up there, I am sure ur question could be answered within seconds.

No excuses, u're just lazy.