codes po335 po340 po385?

2001 OLDSMOBILE AURORA
140,000 MILES
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CARLOS11
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hi i hope you can help me i have 2001 Oldsmobile aurora i want to know is any of this codes have to do something with speed because my car don"t change speed this are the codes po335--po340---po385?
Apr 8, 2012 at 6:52 PM
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RASMATAZ
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Check the exhaust for restriction and also the crankshaft position sensor-
Apr 8, 2012 at 6:58 PM
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CARLOS11
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i have change crankshaft sensor but look like noting have change can you please tell me if is someting wrong with trasmision
Apr 10, 2012 at 11:30 PM
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