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1998 Audi A4 2.8L MIL Lamp on
Hello- This car came to us originally with two codes, one P0411 secondary air injection incorrect flow and one p0422 main catalyst bank 1 efficiency below threshold. After checking the secondary air system and finding no problems, I found the post cat oxygen s...
FIX posted 1/1/2005
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Message Closed
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3 Replies Received
Related Documents & Media | VIN | WAUGD28D7W |
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Avant |
Trouble Codes
| P0422 | Catalyst Efficiency Below Normal (Bank 1) |
Message Closed
Vehicle Data
1998 Audi A4
| VIN | WAUGD28D7W |
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Avant |
Trouble Codes
| P0422 | Catalyst Efficiency Below Normal (Bank 1) |
Video