Mine has probably never been replaced so I will go ahead and get the spring clamp plier tool before I tackle it. Always like new tools anyway. Not sure about the throttlebody yet. It runs great with just a small amount of gray smoke occasionally on start up. At 50K it is time to change the aos for sure. Amount of time and difficulty seems to be all over the board, but I have a lift, lots of tools and plenty of time.
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