Diagnostic trouble code P0420 and/or P0430, catalyst efficiency (V6)
Honda technical service bulletin 1203 for 2003 Honda Accord.
- Bulletin number
- 1203
- Component
- Engine and engine cooling: engine
- Summary
- Diagnostic trouble code p0420 and/or p0430, catalyst efficiency (v6). Nm
Owners of these vehicles have filed 146 complaints in the engine category.
Vehicles covered
- Honda Accord 2003 2003
VIN decoder
See the problems and recalls for an exact car
Buying a used Honda Accord?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history