Threw code P0161

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11-26-2004, 01:48 PM

zchgla

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Threw code P0161

Do i just need to replace the o2's? If so, which ones?

If my 02's are bad, will it hurt the car to run on them?

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11-26-2004, 06:42 PM

zchgla

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Anyone?

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11-27-2004, 11:39 AM

zchgla

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OK, heres the deal. I threw 2 codes, both p0161. What does this mean?

P0161-HO2S Heater Circuit Bank 2 Sensor 2

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11-27-2004, 11:51 AM

2001NBMZ28

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Bank 2, sensor 2 is the passenger side, rear sensor. Look at the sensor wires first. Should be OK to drive since it's a post cat sensor.

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11-27-2004, 01:34 PM

zchgla

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So what would cause it go throw the same code twice?

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11-27-2004, 02:24 PM

2001NBMZ28

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The PCM is just telling you it it's still seeing the same problem after X amount of cycles. You can also try clearing the code/resetting the PCM and see if it returns, but it probably will since it's showing the code twice.

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