help,02 locations

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Old Mar 9, 2007 | 11:00 AM
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Sullman20's Avatar
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help,02 locations

97 F150,4.6...Idle in N & P...stalls @ stop lights in drive,check engine light on,got code #P0141...B1S2,from Auto Zone...O2 sensor Bank1 sensor 2,before converter...BUT WHAT SIDE??? This truck has 4 sensors.Anyone know,is it drivers side or passenger side?Thanks
 
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Old Mar 9, 2007 | 11:16 AM
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From: MI
Bank 1 = passenger side. Sensor 2 rear..
 

Last edited by jbrew; Mar 9, 2007 at 11:19 AM.
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Old Mar 9, 2007 | 11:30 AM
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Originally Posted by jbrew
Bank 1 = passenger side. Sensor 2 rear..
Thanks jbrew...they said front(before cat.)
 
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Old Mar 9, 2007 | 12:47 PM
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Really, I was under the impression the forward sensor is sensor 1 and the rear is sensor 2. Sensor 2 isn't switching properly.

I think it works that way on the bank 2 side as well.

Maybe someone will chime in to confirm..

Good Luck.
 

Last edited by jbrew; Mar 9, 2007 at 12:49 PM.
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Old Mar 9, 2007 | 12:50 PM
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Originally Posted by jbrew
Really, I was under the impression the forward sensor is sensor 1 and the rear is sensor 2.

I think it works that way on the bank 2 side as well.
I agree I thought sensor 2 was behind the CAT.
 
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