It is possible. You have to eliminate any running or fuel trim issues before condemning catalytic converters.

 

k guys took the injectors out cleaned best i could and swaped 2 over to 3. got the code cleared and was driving today and bam new problem!!!! car started bogging heavly in mild acceleration in 3rd and 4th gear. Thats the only time didnt throw any codes till i pulled in the driveway. So i will get the code pulled on it tomorrow if any ideas please shoot.