sputtering and shifting code of P2231

2004 CADILLAC CTS
123,124 MILES
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BILL1982
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When Im driving the car is sputtering an shifting weird. a code of P2231 whcih is an oxygen sensor circuit came up but what does that code have to do with the strange shifting an unbalanced timing? could it be my ecm
Mar 6, 2012 at 10:42 PM
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RASMATAZ
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An engine performance problem will affect how the transmission shifts, have you had a tune up recently?
Mar 6, 2012 at 10:57 PM
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BILL1982
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No I have not done that yet, could that be it?
Mar 6, 2012 at 11:03 PM
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RASMATAZ
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Yes, please tune up the engine to see if that fixs it
Mar 6, 2012 at 11:21 PM
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BILL1982
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That fix it, thanks guys, this site is the best! Ill be telling all of my friends about it :-)
Mar 7, 2012 at 1:03 AM