My car is killing and running rough what is wronge on 2004 Chrysler Concorde

I had a diognosis done on my car and they said the crankshaft sensor was bad and also the o2 sensor so i changed the crankshaft sensor should i change the o2 sensor

by in Pascagoula, MS on February 09, 2013
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1 answer
ANSWER by , February 10, 2013
did you have it scan tested for codes?