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2001 Audi A6 Quattro 2.7L MIL Lamp on
The cats on this car are not damaged and appear to be working ok...Is there an Audi tech who has heard of a Service Bulletin that corrects this problen with a software upgrade to the ECM? We understand that that Basically this means that the oxygen sensor down...
Summary posted 5/5/2008
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Related Documents & Media | VIN | WAUED64B01 |
| Engine | 2.7 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / motronic |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0421 | Catalytic Converter Efficiency (Bank 1) |
Message Closed w/Summary
Vehicle Data
2001 Audi A6 Quattro
| VIN | WAUED64B01 |
| Engine | 2.7 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / motronic |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0421 | Catalytic Converter Efficiency (Bank 1) |
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