First off, have a bit of patience. (At least with me.) <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt='
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Go ahead and get a DOHC throttle cable. They are different lengths, and they can affect drivability. That may not be your problem, however.
Just try that first and see what happens.
-Kevin