how to tell if my Honda CR-V Fifth Generation (2017-2022) catalytic converter is bad

Solution

1. Preparation

• Gather tools and parts needed.
• Disconnect the battery to ensure safety during the repair process.
• Raise the vehicle safely and support it with jack stands.

2. Remove the Catalytic Converter

• Sub-step 1: Remove the exhaust heat shield if present. Use a socket set to remove bolts.
• Sub-step 2: Detach the exhaust pipes connected to the catalytic converter. Use penetrating oil on rusted bolts if necessary.
• Sub-step 3: Remove any mounting brackets or hangers securing the catalytic converter using the appropriate socket or wrench.
• Sub-step 4: Carefully remove the catalytic converter from its position.

3. Inspect and Replace

• Sub-step 1: Inspect the old catalytic converter for signs of damage, clogging, or contamination.
• Sub-step 2: If the converter is damaged, replace it with a new OEM or high-quality aftermarket unit. Ensure it meets emission standards.
• Sub-step 3: Install the new catalytic converter in the reverse order of removal. Make sure all bolts and connectors are tightened to the manufacturer’s torque specifications.

4. Reassemble and Test

• Sub-step 1: Reattach the exhaust heat shield if it was removed.
• Sub-step 2: Reconnect the battery terminal.
• Sub-step 3: Start the engine and check for any exhaust leaks around the new converter.