Having problems with your 2007 Audi A6 Avant Wagon ?
Emission control light
\015 My emission control system light is on what can be the problem and what must I do\015
You need to scan the codes to find what the fault is. If you have access to a VagCom you can get the codes yourself. Otherwise take it to AutoZone (they sometimes will check the codes for free), the dealership, or a smog test station and get the codes checked.
Repair Help & Product Troubleshooting for 2007 Audi A6 Avant Wagon
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