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2001 Audi A6 Quattro 2.8L CEL
Hello all thanks for your time in reading this. This vehicle came in with a CEL for converter warm up efficinecy below threshold (both banks), light has been on for about a year. O2 sensor signals do not appear lazy. Codes apply to the primary converters right...
Summary posted 4/4/2009
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Related Documents & Media | VIN | WAUEH64B11 |
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | CEL |
| Occurs | Always |
| Misc. | 2.8L V6 |
Trouble Codes
| P0421 | Catalytic Converter Efficiency (Bank 1) |
| P0431 | Catalyst Efficiency Below Normal (Bank 2) |
| P1296 | 5-Volt VREF Supply Not Present |
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Vehicle Data
2001 Audi A6 Quattro
| VIN | WAUEH64B11 |
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | CEL |
| Occurs | Always |
| Misc. | 2.8L V6 |
Trouble Codes
| P0421 | Catalytic Converter Efficiency (Bank 1) |
| P0431 | Catalyst Efficiency Below Normal (Bank 2) |
| P1296 | 5-Volt VREF Supply Not Present |
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