Oxygen Sensor Slow Response test (P0134) - Nissan

An oxygen sensor slow response or low activity trouble code is almost always a faulty oxygen sensor. There are a few other things to consider before replacing the oxygen sensor. Exhaust leaks upstream or very near the oxygen sensor as well as oxygen sensor heater circuit malfunctions can also set this code.

Engine Performance Diagnostics chapter 5

Symptoms
- check engine light (P0134)
- poor gas mileage
- rough idle
- runs fine intermittently

Fix
- replace faulty oxygen sensor

Tests shown
- scan data O2 analysis

Tools used
- scan tool

Playlist
- (Chapters 4 and 5) Fuel Trim and Oxygen Sensor Testing
https://www.youtube.com/playlist?list=PLD2809EEC7BAAF989

Related videos
- Nissan EVAP leak P0455 (vacuum cut valve-bypass valve test)
https://youtu.be/bG0ZllOn02Q
- P0133 O2 Slow Response (2007 Hyundai Tiburon)
https://youtu.be/WrCa9cC9EPg
- What can cause an O2 sensor to read near 5 volts? (Chrysler bias voltage) https://youtu.be/v8XrM-7BuOg
- Engine runs rich P0172, P0175 from a blown O2 heater fuse (Jeep) https://youtu.be/SEuGtggZAvo
- O2 sensor testing (fixed lean) P0174, P0154, P0155 - Mitsubishi
https://youtu.be/2VW78LKAQYY

For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.
Want even more diagnostic training? Whether you are a DIY trying to fix your own car, someone looking to become an auto technician, or a current auto technician that wants to get more into diagnostics, subscribe to ScannerDanner Premium https://www.scannerdanner.com/join-scannerdanner-premium.html There is a 14 day free trial.
On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!

Disclaimer:
Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.

Видео Oxygen Sensor Slow Response test (P0134) - Nissan канала ScannerDanner