Misfire during acceleration

Tiny
IFYUSER
  • MEMBER
  • 2003 VOLKSWAGEN PASSAT
  • 2.8L
  • V6
  • 4WD
  • AUTOMATIC
  • 177,000 MILES
I have a question, can a swapped rear o2 sensor from bank 1 to bank 2 and the other from bank 2 to bank 1? Because a misfire. I've been having a misfire on bank 1 on heavy acceleration and don't know if rear o2 sensors are reversed.
Saturday, August 7th, 2021 AT 10:28 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Yes, you can. An o2 sensor is just an o2 sensor so the only real difference between them is the fitment. So you have a sensor for just the left front and that may be just because it is a tight space and the may not fit.

However, they are only measuring oxygen content so there is no difference with the actual sensors.

Here is a guide that will help with testing o2 sensors if you would like to do this as well:

https://www.2carpros.com/articles/how-to-test-an-oxygen-sensor-02-sensor

However, if you have a misfire, this guide will walk you through some other things as well but swapping the sensors to see if the misfire changed banks is a good idea.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Please see the info below on each of the sensors and let us know if you have questions and what you find.

Thanks
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Monday, August 9th, 2021 AT 10:23 AM

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