service engine light came on had it scanned & wastold that sensor bank1 sensor3 came out they
also notice that bank1 sonsor2 was not working.can oneaffect the other &whichare the front
sensors & which is the rearsensor.

thanks bernie

 

Those sound like the sensors before and after the cat. The ones in the exhaust manifolds are Bank 1 Sensor 1 and Bank 2 Sensor 1.

 

02stanGT, You know to much man.