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Message: <blockquote data-quote="jfisher" data-source="post: 1511449" data-attributes="member: 10792">I think you are the first one that I've ever heard that has NOT had bad luck with Dorman parts.  In my experience they are absolute garbage.Regardless, OP, have you checked fuel pressure?  After reading your initial post the first thing that came to mind was fuel pump.  Your car has that stupid variable voltage fuel pump like mine does and mine had a lot of the same symptoms when my fuel pump started taking a dump on me.  The car trying to add fuel with the high STFT's tells me it's not getting the fuel it's commanding.  I chased "vacuum leak" after "vacuum leak" (which the car did have), but it still never idled or ran correctly until I put a new pump in it.  The current lean condition also tells me the same thing.  I would check fuel pressure and if you find it's low at any point I'd replace the pump and have the variable voltage functionality either turned off in a tune or bypass the wiring.</blockquote>