O2 Sensors is it Upstream or Downstream?
3:07
YouTube1A Auto: Repair Tips & Secrets Only Mechanics Know
O2 Sensors is it Upstream or Downstream?
Shop for New Auto Parts at 1AAuto.com https://1aau.to/c-72-4 In this video, 1A Auto shows you how to identify an upstream or downstream oxygen (O2) sensor 🔧 List of tools used: • No Tools Needed Subscribe: https://www.youtube.com/channel/UCVvE8kQTuZEykvMFZBVzftg?sub_confirmation=1 Check out our playlist: Driveway Diagnostics!: https://www ...
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