2005 Honda Pilot "p0420 efficiency" Questions

...P0420 Catalyst efficiency below ... mechanics.stackexchange.com/.../check-engine-code-p0420-catalyst-efficie... Feedback P0420 Error Code: Catalyst System Efficiency Below ... www.obd-codes.com/p0420 ...

...it and have a Catalytic converter efficiency testing done . P0420 is a Catalytic converter efficiency code http://www.obd-codes.com/p0420 P0420 How To Diagnose Bad Catalytic Converter ...

...the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). P0420 - Catalyst System Efficiency Below Threshold Bank 1 ...

...MALFUNCTION BANK NO.1 OR SINGLE SENSOR P0325 Knock Sensor Circuit Malfunction P0420 Catalyst System Efficiency Below Threshold I would change the knock sensor first and the other may clear up

P0420 - Catalyst System Efficiency Below Threshold (Bank 1) www.obd-codes.com/p0420 More than likely its either an o2 sensor, or a bad catalytic converter, look at this forum: http://www.newcelica.org

...background on a P0420 - http://p0420.com p0420 is a code for catalytic converter efficiency, the cat will need to be replaced. in some instances a software upgrade to the engine computer may be ...

...the computer and got three codes. P020 PRM, P0420 PND, and P0420 CNF. Can you please let me know what they are? P0420 Catalyst System Efficiency Below Threshold Diagnose P0420 Catalytic Coverter ...

...converter. It has failed the efficiency test. See this post for the full story on P0420 trouble codes

...P0420 is the code for the catalyst low efficiency. The oxygen sensor on the converter read the exhaust. If the voltage doesnot switch as it should the powertrain module code P0420. the exhaust ...

...P0420 = Catalyst System Efficiency Below ThresholdCatalyst System Efficiency Below Threshold. This means that the secondary O2 sensor detects that the catalytic converter isn't working as efficiently ...