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0156

  1. O2 sensor issues

    1Gen-Tundra
    '05 Tundra 4.7L threw code P0156. I replaced the Bank 2 Sensor 2 with a new Denso and did a reset. Code threw again. Is there a chance that the new sensor was faulty? The voltage tends to stay high (.8-.9)on that sensor while in operation. I say tends because it does not fluctuate as much...
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