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P0422 Diagnostic Trouble Code Discussion for September 2007

Catalyst Efficiency Below Normal (Bank 1)


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Trouble Ticket Help Requests for DTC P0422
Help Request Posted
1999 Audi A6 2.8L Hesitation, MIL Lamp on VIN: WAUBA24BOX
P0422: cat efficiency bank 1. greetings to all this audi has a check engine light on with abunch of codes.i cleared memory and road tested car.the light came on and had 3 codes two were for the fuel trim codes running lean the other was for a large evap leak.as for the lean codes i smoked ...
September 12, 2007
1999 Audi A6 2.8L Hesitation, MIL Lamp on VIN: WAUBA24BOX
P0422: cat efficiency bank 1. greetings to all this audi has a check engine light on with abunch of codes.i cleared memory and road tested car.the light came on and had 3 codes two were for the fuel trim codes running lean the other was for a large evap leak.as for the lean codes i smoked ...
September 18, 2007
1999 Audi A6 2.8L Hesitation, MIL Lamp on VIN: WAUBA24BOX
P0422: cat efficiency bank 1. greetings to all this audi has a check engine light on with abunch of codes.i cleared memory and road tested car.the light came on and had 3 codes two were for the fuel trim codes running lean the other was for a large evap leak.as for the lean codes i smoked ...
September 12, 2007
1999 Audi A6 2.8L Hesitation, MIL Lamp on VIN: WAUBA24BOX
P0422: cat efficiency bank 1. greetings to all this audi has a check engine light on with abunch of codes.i cleared memory and road tested car.the light came on and had 3 codes two were for the fuel trim codes running lean the other was for a large evap leak.as for the lean codes i smoked ...
September 18, 2007