Gnarly fretbuzz

[Vox Populi]

I'm getting some really bad fretbuzz on certain frets. I'm thinking it may be because some of the frets are higher than the others. I already raised the action as far as I want to, and it still persists buzzing. Mostly on the E string, but some on the D as well.

I have a cheap Peavey Millennium, so it's to be expected, however.

What do you suggest? Sanding the frets? If so, how do I find the ones that are higher than the rest?

[seanm]

Have you adjusted the truss rod? Also, how high is your action? You can measure from fret to bottom of string at the 17th fret. I have some pretty bad basses, but I can get a medium action on all of them (which is all I need).

[jenderfazz]

Where exactly does the buzzing occur? Around what frets?

[Vox Populi]

How do I tell if I need to adjust the Truss Rod? I don't want to just start messing with it and end up screwing my neck up.

I'll measure the action when I get home. The buzz is just really bad. It's pretty much concentrated on the E string. I'm sure the strings are crap, too. I just don't have $35 to throw around for strings at the moment.