One problem related to engine exhaust system has been reported for the 1997 Cadillac Catera. The most recently reported issues are listed below.
Rear brake lights not working. $145 to repair this important safety item that should not fail. Secondary air injection valve and lr oxygen sensor bad causing "check engine" light to come on. $345 to repair this item that should not fail. Have gone through two sets of tires on this vehicle as a result of abnormal wear to the inside of tires. Dt.