Emission Test fail on 1993 Oldsmobile Cutlass Ciera

I have a 1993 Cutlass Ciera S. For the first time it failed to pass the emmissioms test. The High Speed Results show: The HC (ppm) at 171, Last Year was; 3 The CO % at 5.75, Last Year was; 0.01 The Low Speed Results show: The HC (ppm) at 172, Last Year was; 21 The CO % at 5.91, Last Year was; 0.03 Inspector said he believes it running too rich and says he could smell fuel, is this an injector that is dumping fuel? If So how do I tell and how to repair?

by in Potwin, KS on March 12, 2013
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