Where is the bank 3 oxygen sensor located on my 1996 Chevy ext 1500 2wd 4.3 (manual transmission)?

Asked by May 25, 2015 at 10:14 PM about the 1996 Chevrolet C/K 1500 Cheyenne Standard Cab SB 4WD

Question type: Maintenance & Repair

I have a 1996 Chevy Silverado C1500 ext with 4.3 v6  and manual transmission... The
service engine light came on... Trouble code says problem is bank 3 oxygen sensor...
Where is the bank 3 oxygen sensor?  There are two before the catalytic converter and
one after it .... Which of these is bank 3?

1 Answer

83,175

No such thing as a bank 3, it is either bank 1 or bank 2 sensor 1 or sensor 2. I believe they are tinkering with some of the next generation V12's having a bank 3, but nothing in the States.

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