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Old Apr 23, 2025 | 09:39 AM
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Replaced Oxygen "Sensor 1 Bank 2" about 4K miles ago and now getting that dreaded code.again.

Any suggestions?
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Old Apr 23, 2025 | 10:07 AM
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Did you check the heater circuit power and ground ??…P0141 is BANK 1 SENSOR 2…did you replace the wrong sensor ??…0141 is driver side aft sensor.

Last edited by C5 Diag; Apr 23, 2025 at 10:14 AM.
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Old Apr 23, 2025 | 01:03 PM
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Moved to C5 Tech for discussion.
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Old Apr 24, 2025 | 10:34 AM
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Will check.

Thanks!
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Old Apr 24, 2025 | 11:12 AM
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Originally Posted by Rick!952
Will check.

Thanks!

If you have a DVOM and a test light the wiring can be easily checked.
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