how to fix Honda Accord Eleventh Generation (2023-present) catalytic converter issues

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the battery to ensure safety while working on the vehicle.
• Raise the vehicle using a hydraulic jack and secure it on jack stands.

2. Remove the Catalytic Converter

• Tools Required: Socket set, wrenches, penetrating oil, exhaust hanger tool.
• Spray penetrating oil on the bolts and nuts securing the catalytic converter to loosen them.
• Using the socket set, remove the bolts connecting the catalytic converter to the exhaust manifold and the exhaust pipe.
• Carefully detach any exhaust hangers using the exhaust hanger tool to free the catalytic converter from the vehicle.

3. Inspect and Replace

• Inspect the catalytic converter for physical damage, blockage, or contamination.
• If replacement is necessary, ensure the new catalytic converter meets OEM specifications.
• Insert the new catalytic converter in place, aligning it with the exhaust manifold and exhaust pipe.

4. Reinstall Components

• Secure the catalytic converter using the original or new bolts, tightening them to manufacturer torque specifications (typically around 30-40 lb-ft, but refer to the service manual for exact values).
• Reattach the exhaust hangers to secure the catalytic converter in place.
• Reconnect any sensors removed during the process.

5. Reconnect Battery and Test

• Reconnect the battery terminals.
• Start the engine and allow it to reach operating temperature while checking for leaks and ensuring all components are functioning properly.