I have a 2002 deville with a p0141 code. 02 heater circuit bank 1 sensor 2

2002 CADILLAC DEVILLE
101,000 MILES
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BTSCHOEPE
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  • 2 POSTS
I have a 2002 deville with a p0141 code. 02 heater circuit bank 1 sensor 2. can anything other than the sensor cause this? and wich one of the sensors is it?
Apr 14, 2012 at 2:02 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Its near rear flange of the catalytic converter-could be the sensor, wiring or the computer-
Apr 14, 2012 at 2:11 PM
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BTSCHOEPE
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  • 2 POSTS
ok so it is the sensor downstream directly behind cat? Thanks
Apr 14, 2012 at 2:15 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
Yes. You're welcome.
Apr 16, 2012 at 2:40 PM
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