canadianVRss Posted February 26, 2013 Report Share Posted February 26, 2013 Dude, I'm having the exact same issues!! AND I'm throwing codes po171 po174 bank 1 bank 2 lean! Surging like a mofo and then dying. It's my first tune from zippy and the truck isn't happy, but I'm using FAST injectors and I've heard horrible tuning stories. I just purchased HPtuners and it's in the mail, I'll log and send to zippy. Hoping I can figure mine out too. I though it might be a vac leak do to the surging but hopefully it's just I'n the tune. Why me lord??? Haha Quote Link to comment Share on other sites More sharing options...
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