turns out it was a bad injector...WOW 99% of the time its something else, in most cases I hear that it could be the injectors but it ends up being something else. Then that threw my o2 off trying to make up for it by running the other 3 rich as hell, I thought I smell'd gas...BTW big props to tristar automotive, they are expensive, but the only people I really trust, their techs know their shiit