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2011 Audi A8 Quattro 4.2L MIL Lamp on
As stated p0492 and p0491, secondary air insufficient flow. I cleared the codes, performed output test of SAI pump, solenoids for combi valves (tested with vacuum as well), vacuum pump on the combi valves with pump running and I can hear and feel air in the ta...
FIX posted 9/29/2016
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Message Closed w/FIX
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Related Documents & Media | VIN | WAUCVAFD7B |
| Engine | 4.2 L / 8 cyl / GAS |
| Trans | 8-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0491 | AIR System Performance |
| P0492 | secondary air insufficient flow bank 2 |
Message Closed w/FIX
Vehicle Data
2011 Audi A8 Quattro
| VIN | WAUCVAFD7B |
| Engine | 4.2 L / 8 cyl / GAS |
| Trans | 8-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0491 | AIR System Performance |
| P0492 | secondary air insufficient flow bank 2 |
Video