Advertisement [ ? ]
Site Links
- Lease Calculator
- Advertise
- My Car ongoing Review
- Members' Chat
- Cars For Sale
- Car Dealers
- Honda "Fit" Manual
- Hyperflex Bushings
- For Sale
- Fix your Car
- Car Manuals
- other manuals - Reference Materials
- DIY Repairs
- Articles
- Video
- Link with Us
- Search Help
- Code your Mac!
- Fly, race, anything R/C
Honda Fit/Jazz - DTC Troubleshooting: P0420 (67) (With ETCS)
Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.
Full Membership required
We can not locate your Full (Preferred) membership details. Please login to your account first and if necessary upgrade your membership.
24 Hr or Annual Membership required.
Thank you!
Snip from the Manual
DTC Troubleshooting: P0420 (67)
DTC P0420: Catalyst System Efficiency Below Threshold
NOTE:
- If some of the DTCs listed below are stored ar the same time as DTC P0420, troubleshoot those DTCs first, then recheck for DTC P0420.
P0137, P0138, P0140: Secondary HO2S (Sensor 2)
P0141: Secondary HO2S (Sensor 2) Heater - When poor quality FUEL is used, this DTC may indicate.
1.Turn the ignition switch ON (II).
2.Do the DTC CLEAR in the CLEAR MENU with the HDS.
3.Start the engine. Hold the engine speed at 3,000 rpm (min-1) with no load (in neutral) until the radiator fan comes on, then let it