WALKER TRC 25874
Service Bulletin/Repair Instructions
Notice that certain direct-fit catalytic converters utilize an oval body that will trigger a check engine light
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
WALKER TRC 25874
Notice that certain direct-fit catalytic converters utilize an oval body that will trigger a check engine light
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.