Where is bank 1 Sensor 1 ??? - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 06-12-2011 Thread Starter
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Exclamation Where is bank 1 Sensor 1 ???

I have a 1998 mustang gt and need a new oxygen sensor 1 for Bank 1.. driver side or passenger side??

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post #2 of 6 (permalink) Old 06-12-2011
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Bank 1 is the side of the engine that has the #1 cylinder.
Bank 2 is the opposite side.

Edit: In this instance, if you're going to replace one O2 sensor, you may as well replace both.

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post #3 of 6 (permalink) Old 06-16-2011
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Driver's side front 02 sensor, bank 1/2 is the rear same side. Make it easy and simple ppl.

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post #4 of 6 (permalink) Old 06-16-2011
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Quote:
Originally Posted by Sh1noda View Post
Driver's side front 02 sensor, bank 1/2 is the rear same side. Make it easy and simple ppl.
Actually the passenger side is bank 1 on these motors as the #1 cylinder is the front-most cylinder on the passenger side.

So Bank 1 Sensor 1 is the O2 sensor closest to the passenger side head (right around where the passenger side exhaust manifold bolts to the Y-pipe).

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post #5 of 6 (permalink) Old 06-16-2011
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Quote:
Originally Posted by Sh1noda View Post
Driver's side front 02 sensor, bank 1/2 is the rear same side. Make it easy and simple ppl.
WTF. That's about the most confusing thing you could type up.


---Firewall---
4 8
3 7
2 6
1 5
---Radiator---
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post #6 of 6 (permalink) Old 06-16-2011
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Quote:
Originally Posted by sillyrabbit0420 View Post
Bank 1 is the side of the engine that has the #1 cylinder.
Bank 2 is the opposite side.

Edit: In this instance, if you're going to replace one O2 sensor, you may as well replace both.
BTW, my apologies, OP. I answered the question but didn't really answer the question. My point is that people mistakenly think that Bank 1 and Bank 2 automatically refer to either the driver's or passenger side of the car, when it really has to do with which side the #1 cylinder is on.
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