PO420 is catalystis efficency low bank 1. That is referring to the catalytic convertor bank 1.
Code PO420 is catalyst effeciency low bank 1 sensor 1 which is referring to the oxygen sensors. Have a repair shop do the diagnostics on the system. Jumping to conclusions can become very expensive.
Catalyst system Efficiency below Thershold ( Bank 1 )
catalyst efficiency below threshold (bank 1)
Trouble code P0420 means: Catalyst System Low Efficiency (Bank 1)
you have to hook up a special reader to your computer to find out the code.
The airport code for El Monte Airport is EMT.
The airport code for Monte Dourado Airport is MEU.
The airport code for Monte Caseros Airport is MCS.
The country code and area code of Boca Del Monte, Mexico is 52, (01)273.
The telephone country code for Argentina is +54. The area code for Monte is 02271, or +54 2271 in international format.
The telephone country code for Argentina is +54. The area code for Monte Caseros is 03775, or +54 3775 in international format.
The telephone country code for Argentina is +54. The area code for Monte Quemado is 03841, or +54 3841 in international format.