I am getting a failed test on Bank 1 Sensor 1 and Bank 4 Sensor 4 O2 sensor

Tiny
MHERRING0209
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  • 2005 CADILLAC SRX
  • 3.6L
  • V6
  • RWD
  • AUTOMATIC
  • 65,000 MILES
I am trying to locate all the upstream and downstream O2 sensors due to the problem with Bank 1 Sensor 1 and Bank 4 Sensor 4.
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Saturday, August 8th, 2015 AT 3:05 PM

5 Replies

Tiny
HMAC300
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See pic
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Monday, August 10th, 2015 AT 7:23 AM
Tiny
MHERRING0209
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The picture addresses Bank 1 Sensor 1, but what about Bank 4 Sensor 4?
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Monday, August 10th, 2015 AT 8:31 AM
Tiny
HMAC300
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Thee is no bank4 who ever told you that what is in pic is all the sensors there are. There are two sensors pre and two sensors post of converter. That is all. Either that or someone is trying to take advantage of you Or they don't know what they are talking about.
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Monday, August 10th, 2015 AT 9:32 AM
Tiny
MHERRING0209
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Are there any pre sensors like on the Engine vs the Exhaust?
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Monday, August 10th, 2015 AT 9:35 AM
Tiny
HMAC300
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The only O2 sensors are the ones that are shown in the pic. There are quite a few on the engine itself try to find out what eh problem is or the code go from there.
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Monday, August 10th, 2015 AT 9:53 AM

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