Causes and Fixes P0139 Code: O2 Sensor Circuit Slow Response (Bank 1, Sensor 2)
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- Опубліковано 17 гру 2023
- How to fix P0139 Code: O2 Sensor Circuit Slow Response (Bank 1, Sensor 2)
Possible Causes of a P0139 Code
Faulty O2 Sensor Bank-1 Sensor-2
Wiring - Open Short - Blown Fuse
Exhaust Leak
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Thank you, simple and straight to the point.
Great video
I got the cat changed last year for catalytic converter P0420 error on my 2016 CRV. 6 months down the line I got the P0139 error. I changed the downstream sensor this time. 2000 miles more I again got the same P0139 error. I called Denso and they sent me a new sensor because of warranty. I called the mechanic to reinstall the downstream sensor and he says P0139 error may be because of upstream sensor also and recommending to replace upstream sensor. I am so confused this is driving me nuts!!!!!!
I am currently experiencing this problem in a 2007 Kia Optima with a 2.0 engine... I changed the sensor after the eco box and checked the fuse, but the problem was not solved... I don’t know what the reason is???
Same thing for the 09 Chrysler sebring
So I drive a 2010 Subaru Impreza, and I originally had a p0137 engine code. That code means 02 sensor circuit low voltage(bank 1 sensor 2). So I replaced the sensor, and now it’s throwing a p0139 code.(Bank 1 sensor 2). Not sure what to do now.
I would check the wiring
Could it be an issue with a faulty PCM?
It could be the PCM with any error, but it is not common.
My 2017 Honda accord gave this code where would the sensor be located
2007 Jeep Compass and the sensors have been replaced 4times and the light comes back on…
If the parts are good, it is likely in the wiring
@@HVAC_Mechanic wiring from where though?? I found a video what suggested the fuel injectors??