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Weres the location of the bank 2 sensor 1 for a1999 mercury mountaineer

Location of bank2 sensor 1 for a 1999 mercury mountaineer

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  • 156 Answers

Drivers side exhaust, sensor closest to motor.

Posted on Jun 12, 2014

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Posted on Jan 02, 2017

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SOURCE: Ford Windstar 1996 Trouble Codes P0171, P0141, P0161, and P0174

Bank one is toward the front of the vehicle. Sounds like the heated oxygen sensors have gone bad. The Oxygen Sensors are located in the exhaust pipe and require a special socket to remove and replace.

Posted on Jan 16, 2009

dttech
  • 4803 Answers

SOURCE: 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.

Posted on Oct 17, 2009

bschilz
  • 2049 Answers

SOURCE: location of the bank 1 sensor 2 O2 sensor on a 2001 ford escape

B1 means the sensor is located on the same bank of the engine that has the #1 cylinder. B2 is located on the opposite bank.
S1 means the sensor is located BEFORE the catalytic converter
S2 means the sensor is located AFTER the catalytic converter

You didn't say which engine you have, so I've included the diagrams of both 4 cyl and 6 cyl so you can see the banks

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Posted on Oct 20, 2009

roniecon
  • 6826 Answers

SOURCE: were bank 1 sensor 2 located on a 1997 tahoe

bank 1 is the drivers side,and it is the down stream sensor,the one after the cat,converter,If this was helpful,please let us know,thank you.

Posted on Jan 03, 2010

emissionwiz
  • 76649 Answers

SOURCE: where are bank 1 sensor 1, bank 2 sensor 1, bank 1

bank one sensor 1 is the bank of cylinders that number 1 spark plug is located in, bank 2 the other side, this assumes u have a V8, the sensor one location is the sensors that are BEFORE THE CATALYTIC CONVERTER, the sensors referred to as sensor 2 are after the ones AFTER THE CATALYTIC CONVERTER IN THE EXHAUST SYSTEM.

Posted on Apr 28, 2010

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1 Answer

Location of bank2 sensor 1 on 2004 mercury mountaineer heated oxygen sensor


Its before the catalytic converter on the side with cylinder number 2 or in this case the bank without cylinder number one. Should be on the driver side..

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Unplug the oxygen sensor & remove by loosening
with a 22mm wrench or 7/8"

Bank #1 right side
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Do both front upsteam sensors together,not the
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Rock Auto.Com --for sensors NTK or Bosch

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I have a 2003 Mountaineer v-8 AWD with "check


Left side,Drivers side

Either in the converter inlet or just ahead if it

Bank (1) Pass Side
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Sensor (1) closest to engine
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An O2 Code does not mean it is bad or needs to be replaced.
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Bank 1 is always on the same side as the number 1 cylinder. Bank 2 is the other side of the engine. Sensor 1 is always before the catalytic converter. Sensor 2 is always after the catalytic converter.

Bank 1 sensor 1 is on the passenger side before the catalytic converter.

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Have a code on my Mercury Mountaineer 2003. 02 Oxygen sensor Bank 1 Sensor 1.Is that not the drivers side upstream sensor


Yes, that one is between exhaust maniflod and before the catilice converter, some where in between there, not after converter.

Jul 08, 2010 | 2003 Mercury Mountaineer

1 Answer

2003 merc mountaineer error code p0171 what dose that mean


System too lean bank 1. Either vacuum leak or bad O2 sensor bank 1.

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