i insisted on talking to the mechanic and not some salesperson or manager. i didn't want to be sold a bill of goods. i think the $55 was well worth it.
Well the results are in, i also had a chat with the Mazda master mechanic who looked at it.
Right after the inspection i noticed it was much quieter, so i asked him if it was just me or if he did something to it. He said all he did was manually open and closed the valve to make sure that's what...
if they say i need a manifold replacement and it's not covered under warranty, VTCS mod it is...assuming the only negative side-effect is rough cold starts. i dont want to do a mod that'll cause my engine to die sooner.
Well i did what the video showed and my car is now very quiet. I will be taking it in tomorrow to get it checked out. I looked at the Mazda6 Workshop manual and it just shows how to diagnose the issue and that it does in fact require a manifold replacement if it's the valve.
However, i recently...
If it's WAY loud, (like mine is right now) it may be the shutter/runner valve in the intake manifold...which, from googling around, seems to be fairly common. Also, my friend and I took a mechanic's stethoscope to my engine and the noise was definitely coming from the intake manifold.
i found...