IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

A/f sensor bank 1 sensor 1 and 2 help!

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Old 01-07-19, 07:23 PM
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Tuantran
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Unhappy A/f sensor bank 1 sensor 1 and 2 help!

Can someone help me? I replaced my bank 1 sensor 1 and bank 1 sensor 2 airfuel sensor because I was getting P0031 (B1S1 CONTROL CIRCUIT LOW) and P0051 (B1S2 CONTROL CIRCUIT LOW), erased the codes and turned the engine on and the codes came back on. It also says check VSC and check engine light is on on my instrument panel as well. Any advice is greatly appreciated!
Old 01-07-19, 07:35 PM
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bobbirkel
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Originally Posted by Tuantran
Can someone help me? I replaced my bank 1 sensor 1 and bank 1 sensor 2 airfuel sensor because I was getting P0031 (B1S1 CONTROL CIRCUIT LOW) and P0051 (B1S2 CONTROL CIRCUIT LOW), erased the codes and turned the engine on and the codes came back on. It also says check VSC and check engine light is on on my instrument panel as well. Any advice is greatly appreciated!
what brand sensors? I found almost every time I use aftermarket o2s afs I get codes. Factory and ntk have been my go to.
Old 01-08-19, 02:12 PM
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Gville350
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Is the vehicle in stock form? Yes, what brand O2 sensors did you purchase? Denso and NGK are my go-tos for sensors.
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