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my 1994 cutlass ciera s 4 cyl runs great, except I have a problem with my check engine light it keeps coming on and off sometimes I can drive several hours before it appears on. I have had the filter replaced, and the spark plugs replaced, what can be causing this problem. Other than this problem the car runs great THANK YOU
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Something is detected and then corrects itself turning light off. You will need a code OBD1 scanner with the correct adapter for this year model -they have a special pinout on 93-94 models only