P0175 - System Too Rich Bank 2 Oxygen Sensor Replacement
03-18-18, 10:09 AM
#1
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P0175 - System Too Rich Bank 2 Oxygen Sensor Replacement
Just got this code P0175 - System Too Rich Bank 2 on my 2006 IS350 with 105k miles and the check engine light came on. I'm going to replace the oxygen sensor to see if that fixes the issue.
Couple Questions that I didn't see answered in other topics about these codes
Couple Questions that I didn't see answered in other topics about these codes
- Which side is bank 2 on?
- Anyone have an engine diagram where all of the sensors are located?
- What are the model numbers if the diagram doesn't show them?
03-18-18, 10:38 AM
#2
From the front seat looking forward bank1 is on the right and has cylinders 1, 3, 5.
Bank 2 is on the left, 2, 4, 6 from front to back.
Bank1 Sensor1 B1S1 is the first sensor before the CAT on the rightside. B1S2 is rightside downstream after the first CAT... Same logic for B2S1, B2S2.
That said, verify the sensor is switching before replacing it as the cause is very likely upstream and the sensor is simply doing its job reporting the facts.
Give this a read... https://www.obd-codes.com/p0175
Bank 2 is on the left, 2, 4, 6 from front to back.
Bank1 Sensor1 B1S1 is the first sensor before the CAT on the rightside. B1S2 is rightside downstream after the first CAT... Same logic for B2S1, B2S2.
That said, verify the sensor is switching before replacing it as the cause is very likely upstream and the sensor is simply doing its job reporting the facts.
Give this a read... https://www.obd-codes.com/p0175
The following users liked this post:
talbin (03-18-18)
The following users liked this post:
talbin (03-19-18)
03-19-18, 07:48 AM
#4
Driver School Candidate
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If it turns out that you need to replace a O2 Sensor consider using the OEM Denso sensor, www.rockauto.com has them . Some after market sensors might not work well.
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