/forums/images/graemlins/confused.gifI failed (HC) emissions testing today, what can I do to pass? 91 Stock 350, stock exhaust; replaced plugs, wires, cap, rotor bug, and changed oil last week. Test results: High Speed- Standard 126 current 180 Low Speed- Standard 129 current 162 What can I do to lower it? /forums/images/graemlins/confused.gif oh yeah, gas tank was almost empty (I don't know if that matters). Had to go straight to gas station.