Check Engine Light on 1999 Chevrolet Prizm

check engine light is orange. What shall I do? I had the wires and plugs changed; battery cable replace because the diagnosis was miss firing.

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1 answer
There are several other possibilities for a misfire code, it's going to take a diagnosis by a good mechanic to find the problem. Here is some great info on this problem and place you can take it:
http://repairpal.com/OBD-II-Code-P0300
http://repairpal.com/directory?address=60586&car_brand_names=Chevrolet