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:
Emissions Testing
Testing of Readiness Codes
If you take your vehicle for an
emissions test shortly after the
battery has been disconnected or
gone dead, it may not pass the test.
This is because of certain ‘ ...
Circuit Diagram
...
Wheels
Clean the wheels as you would the
rest of the exterior. Wash them with
the same solution, and rinse them
thoroughly.
Aluminum alloy wheels have a
protective clear-coat that keeps the
alumin ...
