Audi Check Engine Code P0420

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P0043 code: ho2s heater control circuit low (bank 1 sensor 3) P0420 code check engine light audiworld bank threshold efficiency catalyst below system Sensor o2 oxygen p0420 bank p0140 circuit sensors code catalyst clean efficiency below system threshold catalytic converter ho2s low heater

P0043 Code: HO2S Heater Control Circuit Low (Bank 1 Sensor 3) - In The

P0043 Code: HO2S Heater Control Circuit Low (Bank 1 Sensor 3) - In The

Check engine light

Check Engine Light - Code P0420 - AudiWorld Forums

Check Engine Light - Code P0420 - AudiWorld Forums

P0043 Code: HO2S Heater Control Circuit Low (Bank 1 Sensor 3) - In The

P0043 Code: HO2S Heater Control Circuit Low (Bank 1 Sensor 3) - In The