Catalytic Converter: Testing and Inspection

1990 Subaru XT-6 4WD L6-2.7L SOHCSECTION Testing and Inspection

1. With catalytic converter removed from vehicle, inspect visible internal components for signs of melting, clogging or other damage.
2. Check converter housing for severe dents, cracks or other external damage.
3. Shake converter and listen for loose components.
4. Replace converter if any of the above conditions are encountered.


RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.