My sister in law was driving her crossfire one afternoon and her check engine light came onand the engine died. After that the car would start but barely run and could not rev it up. I have a obdII reader and I got 6 codes. One was crankshaft sensor malfunction and the others were cylinder misfire I brought it to the dealer and they said the catylitic converter needed to be replaced; that was under warranty. But also they said all 4 oxygen sensors were bad and it would be 1600$ that just is hard to believe