Oxygen Sensor Replacement
#2
Can't help with the installation tips, but check out Vast Performance for O2 sensors
<ul><li><a href="http://vastperformance.com/products/exhaust.php">Vast Performance</a></li></ul>
#3
AudiWorld Senior Member
I believe some emission parts may be covered under a separate Audi...
extended warranty. Check with your dealer though to see what is covered. Fuel pumps are not covered unless of course you have CPO. Good luck.
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