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bank 2 sensor? which one is it?


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Old 10-17-2005, 03:57 PM   #1
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bank 2 sensor? which one is it?

hi, had my 96' blazer hooked up to a handheld electronic whatchamacallit thing. anyway it said my bank 2 sensor is bad. which one is it? drivers side or passenger? i originally thought it was the downstream, but it seems it's not that one cause it said bank 2.
Old 10-17-2005, 05:23 PM   #2
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Re: bank 2 sensor? which one is it?

bank 1 is before the cat. bank 2 is after the cat
Old 10-17-2005, 05:32 PM   #3
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Re: bank 2 sensor? which one is it?

bank 1 is the side with cylinder 1 exhaust, from the front of engine all the way to the back, including before and after cats, sensor 1 2 3 how many there are. bank 2 is the side with cylinder 2,4,6, and probably only 1 sensor, and is before the cat.
Old 10-18-2005, 08:31 AM   #4
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Re: bank 2 sensor? which one is it?

ok, i have a 4.3l v6 , which side would that be, driver or passenger?
Old 10-24-2005, 11:25 AM   #5
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Re: bank 2 sensor? which one is it?

i will make it easy, bank 1 is the drivers side, bank 2 is the passengers side. I have replaced 02 sensors on my 96 bravada(with a 4.3) so i am not talking out of my ass.



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