Honda Accord: Warm Up TWC Removal/Installation - Catalytic Converter System - Fuel and Emissions - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Warm Up TWC Removal/Installation

1. Raise the vehicle on a lift.

2. Remove the secondary H02S (Sensor 2) (see page 11-197).

3. Remove the bolts (A).

4. Remove the WU-TWC bracket (B).


4. Remove the WU-TWC bracket (B).

5. Lower the vehicle.

6. Remove the frame brace (see page 20-306).

7. Remove the A/F sensor (Sensor 1) (see page 11-197).

8. Remove the upper converter cover (A).

9. Remove the WU-TWC (B) and the gaskets (C).


9. Remove the WU-TWC (B) and the gaskets (C).

10. Remove the converter cover (A).

11. Install the parts in the reverse order of removal with


11. Install the parts in the reverse order of removal with new gaskets.

    DTC Troubleshooting
    DTC P0420: Catalyst System Efficiency Below Threshold NOTE: - Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see pa ...

    Under-floorTWC Removal/Installation
    1. Raise the vehicle on a lift. 2. Remove the exhaust pipe hangers (A). 3. Remove the under-floor TWC (B). 4. Install the parts in the reverse order of removal with new gaskets (C) and new s ...

    See also:

    Supplemental restraint system (SRS)
    The Accord SRS Includes a driver's airbag in the steering wheel hub, a passenger's airbag In the dashboard above the glove box, seat belt tensioners in the front seat belt retractors, side curtai ...

    Playing XM® Radio
    • To Play the XM® Radio 1. Select the XM® mode. 2. Press to switch to the Audio menu screen. 3. Rotate to select XM Tune Mode, then press . 4. Rotate to select Channel Mode or C ...

    General Troubleshooting Information
    System Indicator The TPMS (tire pressure monitoring system) has the low tire pressure indicator and the TPMS indicator. The Low Tire Pressure Indicator - If the system detects low pressure in an ...