2000 Audi A6 Quattro 2.7L MIL Lamp on
Hi, This audi has had secondary air injection codes for some time. The system was tested for operation and pump runs, it was replaced because of noise. Both valves on the rear of the heads were removed, cleaned, tested. The vacuum hoses are all intact. The euc...
FIX posted 7/9/2004
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Vehicle Data2000 Audi A6 Quattro
Trouble Codes
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Vehicle Data
2000 Audi A6 Quattro
VIN | WAUED54BXY |
Engine | 2.7 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Bi-Turbo |
Trouble Codes
P0421 | Catalytic Converter Efficiency (Bank 1) |
P1411 | Cylinder 1 Reactivation Control Performance |
P1423 | Fuel Tank Large Leak |