
2001 Audi A6 Quattro 4.2L MIL Lamp on
Hello; I am having a challange with these codes. I have check for leaks, none found. I have replaced the secondary air pump, codes come right back. The car seems to run fine. Any ideas?
FIX posted 8/25/2007
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Message Closed w/FIX
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VIN | WAUZL64B81 |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Quattro |
Trouble Codes
P0491 | AIR System Performance |
P0492 | Sec. Air Inj. Sys. Bank 2 Incorrect Flow Detected |
Message Closed w/FIX
Vehicle Data
2001 Audi A6 Quattro
VIN | WAUZL64B81 |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Quattro |
Trouble Codes
P0491 | AIR System Performance |
P0492 | Sec. Air Inj. Sys. Bank 2 Incorrect Flow Detected |