Quote Originally Posted by PK View Post
Has your mechanic actually dismantled this and found the fault??
Air intake manifold gaskets are a known problem with these engines, and a cracked gasket could make a whistling type noise as air is sucked in through the crack. They also normally cause high idle issues. Until this fault is properly diagnosed, there is no way I would be chasing a new intake.
That's a good point; I honestly don't know if it's been dismantled or if they are trying to find a replacement before tearing into it. I'll ask about it, and let them know what you've mentioned. Thanks for the info!