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Code P0643 plz help 911

649 Views 11 Replies 5 Participants Last post by  Paulsxterra4x4
My xterra threw this code and now is in limp mode I changed the fuel pump alrdy and next going do the timing chain and new radiator stuff also has anyone ever came across this before in there xterra mine is a 2008 xterra s model with the 4.0 I'm it any ideas what could it be I going to replace all injectors after timing and everything I got more money for cheap parts than I do for labor any ideas ty very much glad to be part of a group I'm clif btw
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You really don't need to keep quoting yourself. The thread keeps all of the posts in order. When I see a quote, I figure that the reply is to another member.
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