Question about 1996 Lexus LS 400

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Replacing faulty catalytic converter

What side is the #1 cylinder bank - driver or passenger side?

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Driver side

Posted on Apr 15, 2009

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1 Answer

Location of bank 1 sensor 1 on 5.4l engine


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

Cylinder 1 is on the passenger side on a 5.4 liter.

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Where is bank1 and bank 2 located on a lincoln LS?


Bank #1 passenger side

Bank #2 driver side

Replace the front (2) converter inlet O2 Sensors,
when they get to 100,000 miles

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The computer show's 02 sensor bank 2 stuck and to lean, which one is it their are 4 of them on this truck


bank 1 sensor 1 is driver side exhaust pipe in front of catalytic converter, bank 1 sensor 2 is drivers side exhaust pipe behind catalytic converter, bank 2 sensor 1 is passenger side exhaust pipe in front of catalytic converter, bank 2 sensor 2 is passenger side exhaust pipe behind catalytic converter.

Mar 23, 2011 | 2006 Ford F-150

1 Answer

O2 sensors which side is bank1 & which is bank 2


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.

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Need to know wish is bank1 sensor and bank 2 sensor


the bank one sensor is the sensor is in the bank of cylinder on the drivers side of the engine this is the cylinder bankl that has cylinder #1 in it, and the bank 2 sensor is on the passenger side bank of engine cylinders,

Jun 25, 2010 | 1997 Chevrolet C1500

1 Answer

Where is bank one oxygen sensor located at on a 2003 yukon


Need more information but here is where all your O2 sensors are located
Bank 1 Sensor 1 - Driver's side, before catalytic converter Bank 1 Sensor 2 - Driver's side, after catalytic converter
Bank 2 Sensor 1 - Passenger side, before catalytic converter
Bank 2 Sensor 2 - Passenger side, after catalytic converter

Thank you for using fixya and good luck

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2 Answers

Where is bank 1 sensor 1 oxygen sensor 1999 ls400


1.Bank 1 is on the driver side.
2.Bank 2 is on the passenger side.
3.Sensor 1 is the upper sensor or upstream sensor in the manifold.
4.Sensor 2 is the downstream sensor.

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3 Answers

Where is the bank 2 sensor 1 located.


Oxygen sensors are always numbered like this:

Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2

some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2

Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (The one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

Most GM engines have #1 cylinder located on the left bank, (or Driver's Side) of the engine,

So, the answer to your question would be that you are looking for the sensor located before the catalytic converter on the right (or Passenger Side) of the truck.

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Where to find 02 sensor heater circuit malfuction bank 1 sensor1


This sensor will be located before your catalytic converter and will be on the same side as cylinder 1 of your engine

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2 Answers

Oxygen sensor confusion


1/1 is upstream sensor on the number 1 cylinder side, 1/2 is the downstream of the number 1 cylinder side, 2/1 is the upstream of the number 2 cylinder side, 2/2 is the downstream of the number 2 cylinder side. Hope this helps.

Aug 10, 2009 | 2003 Jeep Grand Cherokee

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