- Check manifold and exhaust pipes for leaks
- Check for any physical damage to the converter housing.
- Inspect O2 sensor wiring to ensure good contact at the connectors and no damage or shorted wires.
|UPON REMOVAL OF
- Melted substrate
- Check for missing, cracked or loose substrate
- Severe discoloration indicating excessive temperature
- Excessive build-up of carbon, soot or oil on the inside of converter and/or connecting pipes.