Honda Accord: Component Location Index
Eighth generation (2008–2012) / Honda Accord MK8 2008-2012 Service Manual / Fuel and Emissions / Catalytic Converter System / Component Location Index

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 ...
See also:
Body
Special Tools
...
Carrier Bearing Replacement
Special Tools Required
Driver Handle, 40 mm I.D. 07746-0030100
1. Check the carrier bearings for wear and rough
rotation. If they rotate smoothly and their rollers show
no signs of wear, the beari ...
Engine Assembly
...
