Oxygen sensor for Golf 4, 4 motion

For Golf 4, 4 motion (behind the catalytic converter):
- 1.8 turbo180hp (AUQ)
- 2.0 115hp (AZH) Advice: to determine if the cause of excessive pollution from your vehicle comes from the oxygen sensor(s): ask yourgarage to conduct a diagnostic (examination with case).
Mecatechnic does not accept any returned sensors which show signs of having been installed. Thank you for your understanding.