What year? If it were the O2 and cam, it would be a constant misfire. Neither causes this problem. Both will cause higher fuel consumption. I would look and the coils or ignition module for the problem. Both will work fine when cool, but will start to misfire after they are hot.
O2 sensor code check voltage with a scan tool there is an upstream and downstream sensor as far as a camshaft position sensor code it doesn't have a cam sensor , check your plugs for correct gap and ohm out your wires 9 tins out of 10 that's whT it is, oh and clean the connections on your coils also
If those are the codes that advanced auto came up with it would be a good idea that they would be your problem
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