Wide Band Oygen Sensor operation

[@holadayseason5510]

This is the video I’ve been looking for, trying to read Subarus data is so confusing, I did not know you could go into the obd section of the aultel and view normal PIDS this just made my life so much easier thank you for sharing!

[@ThunderbirdRocket]

Great tutorial ! Thanks !!

[@JLsAutoSolution]

Glad you enjoyed it!

[@DRDROP-fj4bo]

I have a 2011 KIA optima 2.4. The upstream o2 is a wide band, the down stream o2 is a narrow band. Does the down stream narrow band o2 contribute anything to the ECM for fuel adjustment? I assume it is just looking at Cat condition? In other words if I had a faulty downstream o2 would it affect fuel trim? Thanks

[@lapu1602]

Downstream sensor just monitors cat efficiency.

[@LAW-Automotive]

Sensor 1 upstream does all fuel trim control. Sensor 2 downstream only monitors the cat efficiency.

[@RBPD92]

My X5 reads 2.20v sensor 1 Bank 1 (it only has one upstream sensor for both Banks) but the combustion is so rich at the tailpipe, what is going on?. Is very difficult to diagnose this A/F sensors without technical data.

[@JLsAutoSolution]

You need to see how the sensor responds to change. the sensor could be lying to the dme.

[@RBPD92]

@@JLsAutoSolution I think that is the obvius way to go, replace the sensor because that engine was working with a huge vacuum leak before it got repair. So maybe the A/F is plenty of carbon. Thanks

[@ADDAUTOMOBILESERVICES]

great info

[@JLsAutoSolution]

Thank you

[@robertmobileman8304]

nice one thanks

[@JLsAutoSolution]

Glad you enjoyed it

[@rohanboswell5408]

I'm having an issue with wideband on 2013 Ford tt3.5 stuck lean bank1sensor 1,after catalytic converter and all 02 sensor was replaced ,car is worst with new parts than it was with old parts,with only 83000 miles on the clock

[@JLsAutoSolution]

I would look for a bad maf or fuel delivery issue or a vacuum leak.