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Which side is bank1 located

Where is bank 2 located

Posted by Anonymous on


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Posted on Jan 02, 2017

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SOURCE: location 02 sensor Bank1 sensor2 on 2001

in the exhaust , behind the catalytic converter.

Posted on Jul 13, 2009


SOURCE: Can't find the bank 1 sensor 1 Oxygen Sensor

bank one in a C280 99 sport its located on passanger side where 1st cylinder its located, When you step front of you car, take out the plastic cover and see right on top of the front spark plugs, you will see numer 1 on you left side (diver side) 1st top of 1st spark plug you'll see number 4 on you right side same first spark plug from your right.

In you want to replace bank 1 1-2 or 1bank-2nd sensor. you'll need to remove exhaust pipes about 6 bolts total in you garage your car well lifted and a 12pack of beer one friend of you may take about 3 hrs be patiente.. beers are for after job done!!

Good luck..
Durango, mexico

Posted on Aug 16, 2009

  • 8531 Answers

SOURCE: Where is O2 sensor circut bank1 sensor 2. And bank

Bank 2, sensor 2 is at the bottom of the engine as you look in from the bumper. It is installed in the exhaust pipe just below the catalytic converter. The bank 1, sensor 2 is at the same location on the back of the engine below the firewall.

See pictures below


Posted on Oct 03, 2010

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SOURCE: O2 sensors which side is

Bank 1 is always the same side as the number one cylinder. Bank 2 is the other side of the engine. Sensor 1 is always before the catalytic converter and Sensor 2 is always after the catalytic converter.

If you have a 3.4 liter V-6 the #1 cylinder is on the passenger side. If you have the 4.7 liter V-8 the #1 cylinder is on the drivers side.

Posted on Jan 17, 2011

  • 17970 Answers

SOURCE: i know where the sensor 2 is but where is the bank

For 1999 Subaru Truck Forester AWD 2.5L MFI 4cyl the Oxygen Sensor is located under hood, center, rear engine area, mounted on catalytic converter.


Fig. Oxygen sensor location-Forester 1998-2002 2.5L SOHC engine (click over image for zoom).

Generally, Bank 1 is front and Bank 2 is rear.

Hope helps.

Posted on Apr 14, 2011

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I need the location of oxygen 2 sensor on 96 Maxima

bank 1 refers to the side of the engine. on a four cylinder there will onlyu be a bank one. a v-6 will have a bank 1 and a bank 2. Bank 1 will be on the same side of the engine as cylinder number one. Bank 2 will be the opposite side. Sensor 1 is always before the catalytic converter. Sensor 2 is always after the catalytic converter.

So , for example, if your looking for Bank1 Sensor2 it will be in the exhaust pipe after the cat on the same side as the number one cylinder.

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Since that year only has one O2 before the cat it would be called bank1 sensor 1. It is located before the cat in the exhaust manifold on the back side of the engine (firewall side).

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1999 GMC Tahoe 5.7L engine trying to locate O2 sensor bank 1? there are 4 on the vehicle 2 before the cataylic convertor and 2 after. Which one would it be? right front? left front? right rear? left rear?

Hi, There are 4 sensors, 2 pre catalytic converter, 2 post. The driver side is bank 1, and the passenger side is bank 2 .The foreward one in the pipe coming from the driver side is bank1 sensor 1, the rear sensor for the driver side is bank 1 sensor 2 . The other side would be the same, but bank 2. Good luck...

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1 Answer

Picture of bank1 sensor1 o2 sensor location on 2001 chrysler town & country

I do not have a diagram but, bank 1 is the bank where #1 cylinder is at. other side would be bank #2. so bank #1 o2 sensor is just before convertor.

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Need to know placement of heated oxygen sensor

The O2 sensors are located in the exhaust piping.
One (bank 1) is on the engine side of the Catalytic convertor.
Second (bank 2) is on the other side (exhaust end).

There are manufacturers that make universal fits that will go in either location. Be sure to specify the rear sensor when you go to the parts store.

It will look like this....

It threads right into the exhaust pipe.

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