1996 Audi A6 "main catalyst efficiency below threshold" Questions

...main catalyst efficiency below threshold (bank 2) it sounds as tho your catalyctic converter is shot not really a problem tho as it is just a filter for your exhaust fumes the only side effect of a ...

...Main Catalyst Efficlency Below Threshold (Bank 1)The catalyst?s efficiency is demonstrated by its ability to oxidize CO and hydrocarbon emissions. The Engine Control Module (ECM) compares the output ...

...Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the ...

...Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the ...

...Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the ...

...Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the ...

...Main Catalyst Efficiency Below Threshold (Bank 1) is what the code means. That is indicating you have a catalytic converter problem but in reality it is normally a Downstream O2 Sensor problem. ...

...Main Catalytic Converter's emissions efficiency has fallen below the minimum allowable limit. This threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on or near the outlet of the ...

main catalyst efficiency below threshold bank 2 cherokee 2001 this is 2001 Jeep Cherokee, L-6 4.0 have the following trouble code: ''main catalyst efficiency below threshold bank 2'' The car has a 2 ...

...main catalyst efficiency below threshold (bank2) PO441; states, Evaporation Emission system incorrect purge flow. The car runs perfect, does not miss or sputter etc. The only problem is when I try to ...