2003 Hyundai Tiburon "error code p0420" Questions

...Error code: P0420 and will not pass emissions. Also code: P0446, I realize that the P0420 may be a 02 sensor, but I am looking for anyone that may be more specific on either one of these two error ...

...error code P0420, P0430 and P0068 Engine light on with the error code P0420, P0420 and P0068. I need a 100% answer because I read different answers. Please I need some help Hi. Please concentrate on ...

...Error Code: Catalyst System Efficiency Below Threshold (Bank 1) Repair information for the OBD-II trouble code P0420 - Catalyst System Efficiency Below Threshold (Bank 1) www.obd-codes.com/p0420 More ...

...Error Code Hi, My check engine light of my 1999 Honda Odyssey came on recently. The error code read was p0420. Wondering whether this has to do with Catalytic Converter or the O2 Sensor? Thanks. Cat ...

...Error Code: Catalyst System Efficiency Below ... www.obd-codes.com/p0420 Repair information for the OBD-II trouble code P0420 - Catalyst System Efficiency ... If they have failed, it is likely due to ...

...Error Code: Catalyst System Efficiency Below ... www.obd-codes.com/p0420 P0420 OBD-II Trouble Code. Technical Description. Catalyst System Efficiency Below Threshold (Bank 1). What does that mean? ...

Error Code P0420. Things I've tried before I found the error code: replaced the spark plugs (porcelain on one was cracked) and the coil-to-plug boots; I've also removed the Air Temp sensor and cleaned

...error code P0420 Does anyone know what that means. try this site: http://www.obd-codes.com/p0420 Yeah, likely the cat converter needs to be replaced. But check out that rear O2 sensor first. Also, ...

...error code definition reads: "Catalyst Efficiency Below Threshold Bank 1" It's possible it might be the oxygen sensor, but it's more than likely the catalytic converter. This is a relatively common ...

...error coce P0420 on OBD-2 scanner P0420 = Catalyst System Efficiency Below ThresholdCatalyst System Efficiency Below Threshold. This means that the secondary O2 sensor detects that the catalytic ...