tune up on 2002 2wd 4.7l
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If this link doesn't work go into the 3rd gen faq section and look thru all the DIY titles. You'll find one for how to clean the throttle body. It's a pretty simple procedure.
https://dodgeforum.com/forum/3rd-gen...y-hemivec.html
https://dodgeforum.com/forum/3rd-gen...y-hemivec.html