Description
OBD-II Trouble Code Description for P0431 Honda
Warm Up Catalyst Efficiency Below Threshold
What does this mean?
OBD2 Code P0431 Honda definition:
Basically this means that the oxygen sensor downstream of the catalytic converter on bank 2 is detecting that the converter is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.
Symptoms
Possible sumptoms of OBD code P0431 Honda
You will likely not notice any drivability problems, although there may be symptoms such as a rough/hard idle when cold.
Causes
Possible causes of OBD code P0431 Honda
A code P0431 Honda may mean that one or more of the following has happened: The catalytic converter is no longer functioning properly An oxygen sensor is not reading (functioning) properly There is an exhaust leak
Possible Solutions
Inspect for exhaust leaks. Next step is to measure the voltage at the oxygen sensor on Bank 2. In fact, it would be a good idea to test each oxygen O2 sensor while you’re at it. One thing to note is that many vehicle manufacturers offer a longer warranty on emissions-related parts. So if you have a newer car but it’s out of it’s bumper-to-bumper warranty, there still may be warranty on this type of problem. Many manufacturers give a five year, unlimited mileage warranty on these items. It’s worth checking into.
The OBD2 Code Information Be Applicable For Honda:
2013 Honda Urban SUV Concept,2013 Honda S660 Concept new,2013 Honda NSX-GT Concept,2013 Honda N-One,2013 Honda GEAR Concept,2013 Honda Civic,2013 Honda CR-Z,2012 Honda Civic,2011 Honda Jazz,2011 Honda Accord,2010 Honda Insight,2010 Honda CR-V,2009 Honda City,2008 Honda S2000,2008 Honda Accord,2007 Honda Fit,2007 Honda Civic,2007 Honda CR-V,2007 Honda Accord,2006 Honda Civic,2005 Honda Element,2005 Honda CRV SE,2005 Honda CRV EX,2003 Honda Element,2003 Honda CR-V,2002 Honda NSX,2002 Honda Civic Si,2002 Honda Accord SE,2001 Honda NSXR Concept,2001 Honda Model X Concept,2001 Honda Civic Si Concept,2001 Honda Civic Concept,2001 Honda CR-V,2001 Honda Accord Sedan,2001 Honda Accord Coupe,2000 Honda S2000,2000 Honda Passport,2000 Honda Insight
Note:
1. The list of automotive Makes at the right edge of the screen. The currently selected ODB-ii codes is for the Honda makes.
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