Having problems with your 2002 Audi A6 ?
Engine check light on scanner said warm up threshold to low bank 1 what does this mean
You could have a bad O2SENSOR.or you have a leaks in exhaust manifold or exhaust pipes.
Repair Help & Product Troubleshooting for 2002 Audi A6
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.