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  #1  
Old 09-29-2007, 05:45 PM
jmira29 jmira29 is offline
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P0161 1999 Taurus

Hey guys. I have a code P0161 coming up, which is the Bank 2 Sensor 2 oxygen sensor. What I'm having trouble with is figuring out which sensor is which. The vehicle has 4 sensors and I've been told that it is the one after the converter. Any help as to clarify which sensor it is that needs to be replaced would greatly be appreciated!! Thanks!!

-Joe
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Old 09-29-2007, 07:53 PM
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Re: P0161 1999 Taurus

Bank 2 is the front of the car. Sensor 2 is the one behind the converter. So get under the car and follow the exhaust from the front side of motor to the converter. There you will find the sensor.
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Old 10-01-2007, 12:00 AM
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Re: P0161 1999 Taurus

Code P0161 does not indicate that the sensor itself is faulty, but rather there is a problem in the particular HO2S circuit. Per the factory service manual:
Possible causes:

-- Shorts to VPWR in harness or HO2S.
-- Water in connectors.
-- Cut or pulled wires.
-- Disconnected wiring.
-- Open VPWR circuit.
-- Open GND circuit.
-- Low battery voltage.
-- Corrosion or poor mating terminals.
-- Damaged PCM

-Rod
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Old 10-17-2009, 05:22 PM
onerchprk onerchprk is offline
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Re: P0161 1999 Taurus

I have the P0161 code also and i see the o2 but how the heck do i remove it to replace it?The room in there is really tight.Thanks
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Old 11-06-2009, 10:55 AM
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Re: P0161 1999 Taurus

I did it the easy way...I paid someone at the muffler shop $15
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