| 2001 Audi Allroad Quattro 2.7L MIL Lamp on All codes return with a test drive. The O2 sensor code concerns me because we just replaced the sensor. The secondary air injection codes will most likely be the simplest but any help would be greatly appreciated. The TCC clutch circuit code feels like we coul... 
                        
                            FIX posted 8/26/2005
                               
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 | Message Closed w/FIX 
 | 
| VIN | WAUYP54B91 | 
| Engine | 2.7 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
Trouble Codes
| 17125 | TCC circuit performance or stuck off | 
| 17521 | Oxygen Sensor B1S1 Internal resistance too high | 
| 17819 | Secondary air injection system bank 2 insufficient flow | 
| 17831 | Secondary air injection system bank 1 insufficient flow | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2001 Audi Allroad Quattro
| VIN | WAUYP54B91 | 
| Engine | 2.7 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
Trouble Codes
| 17125 | TCC circuit performance or stuck off | 
| 17521 | Oxygen Sensor B1S1 Internal resistance too high | 
| 17819 | Secondary air injection system bank 2 insufficient flow | 
| 17831 | Secondary air injection system bank 1 insufficient flow | 
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