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2004 Montero Limited o2 oxygen sensor

How do I locate and change an oxygen sensor. The diagnostics cam back as code P0151.2. Said located on bank 2 sensor 2.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 625 Answers

SOURCE: O2 sensor wiring diagram for 2004 hyundai sonata

there is two wires then suposed to be same color they are not what you looking for but if you have a grey and a black wires it willl be one of those i hope and this help

Posted on Jun 20, 2008

blueextc3221
  • 15935 Answers

SOURCE: 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....

cfea0cf.jpg
It threads right into the exhaust pipe.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Posted on Mar 05, 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

  • 7353 Answers

SOURCE: have p0130 and p0133 codes 98 toyota tacoma

I would check the O2 sensor, and if it checks bad, replace it, and clear the trouble codes. If the light comes back on, you may need to check further. .

Posted on Oct 28, 2009

  • 303 Answers

SOURCE: 2004 GMC Envoy check engine light remains

Leave 02 sensor alone ,it is doing it's job . It is heated up because of lean fuel mixture due to incorrect engine temp.,replace thermostat before looking further.

Posted on Jan 20, 2010

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1 Answer

Where is the 02 Oxygen Sensor before the cadalic converter on a 2006 Hyundai Santa Fe


Usually these are located on the exhaust manifold or just below the exhaust manifold and you should be able to see it in the engine bay. On V6 engines there will be one sensor on each of the 2 exhaust banks.
You will probably need to remove the engine cover to see the sensors on your exhaust.

If someone told you to replace these because you got a particular fault code I would be wary. A decent scan tool and basic diagnostics can show if the 02 sensor is working or not. Some faults often blamed on an 02 sensor are not due to faulty sensors.

Jan 09, 2016 | 2006 Hyundai Santa Fe

1 Answer

How many o2 sensor are on a 2004 gmc yukon


Hi Charles,

GM products have 4 O2 sensors attached along the exhaust pipes coming off the manifold. Bank 1 is aligned to cylinder 1 on the engine which is the driver's side. Sensor 2 is the one after the convertor (Sensor 1 being the one before the convertor). Link attached for more information.

Oxygen Sensor Locations

I have changed out one of mine; quite easy, but you need a sensor wrench which you can find an any automotive store for around $15.

The part is available readily enough - link attached.

Good luck

Feb 07, 2015 | 2004 GMC Yukon

1 Answer

Got Honda accord 2000 code po135 replaced 02 sensor and stil show same code



How to Diagnose a P0135 -Heater
Performance Bank 1 Sensor 1 (GM 3.5L)
January 31, 2012 Updated: October 29, 2014 Written by: Abraham Torres-Arredondo Article Id: 371

image_1.gifIf your check engine light is on and you have a diagnostic trouble code P0135 stored in the PCM's memory... then you've come to the right place to test and troubleshoot the upstream oxygen sensor.
A P0135 DTC says: HO2S Heater Performance Bank 1 Sensor 1... and this means that the PCM (Powertrain Control Module = Fuel Injection Computer) has detected a problem with the front oxygen sensor's heater element or a problem in the heater's circuit (wires).
In this tutorial, I'll show you how to check the oxygen (O2) sensor's heater element and the two circuits that feed it with power (10 to 12 Volts) and ground with a multimeter.
In case you're wondering, where the oxygen (O2) sensor that the code P0135 is accusing of being BAD is... this bad boy is located on the exhaust manifold and before the catalytic converter.
To help you navigate this article, here are its main points:
  1. Symptoms of a BAD Oxygen Sensor Heater Element.
  2. What Tools Do I Need to Test Code P0135?
  3. What Does the Heater Inside the Oxygen Sensor Do?
  4. Circuit Descriptions of the Downstream Oxygen Sensor.
  5. Start Here.
  6. TEST 1: Oxygen Sensor Bank 1 Sensor 1 Test.
  7. TEST 2: Checking 12 Volts to O2 Heater.
  8. TEST 3: Checking the O2 Heater's Ground Circuit.
  9. TEST 4: Ohming the O2 Heater Element.
  10. P0135 O2 Sensor Heater Test Summary.
Buying a Digital Multimeter for Automotive Diagnostic Testing (found at: easyautodiagnostics.com).
  • Scan Tool.
    1. Don't have one?... check out my recommendation: Abe's Scan Tool Recommendation.
  • Wire Piercing Probe.
    1. Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires.
    2. If you need to see what this tool looks like, you can see it here:Wire Piercing Probe.
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  • Applies To:
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    Buick Vehicles:
    • Rainier 4.2L
      • 2004, 2005
    Chevrolet Vehicles:
    • Colorado 3.5L
      • 2004, 2005
    • Trailblazer
      • 2004, 2005
    3.5L image_thumb_home_page_1.jpg
    How To Test for a Blown Head Gasket (GM 3.5L, 4.2L)
    How to Test the MAF Sensor and Codes: P0100, P0101, P0102, P0103
    How To Test for a Blown Head Gasket (GM 3.5L -FWD)
    All Articles: 3.5L "A day without sunshine is like, you know, night"
    Steve Martin
    MORE TUTORIALS:
    image_thumb_home_page_1.jpg

    Feb 03, 2015 | 2000 Honda Accord

    1 Answer

    PO 134 bank 1 location


    Bank 1 is located towards the driver's side. Sensor 1 is located upstream just below the exhaust manifold.
    EOBD II Error Code: P0134
    Description:
    Oxygen Sensor (O2S) 1, Bank 1/Heated Oxygen Sensor (HO2S) 1, Bank 1 - No Activity Detected
    Possible Causes:
    - Wiring.
    - Signal wire between the Heated Oxygen sensor and ECM is disconnected.
    - Heated Oxygen Sensor defective.
    - ECM.

    Jul 04, 2014 | 1999 Hyundai Sonata

    2 Answers

    Ford freestar 2004 where is the O2 sensor #1 located


    There is 4 senors the bank 1 sensor 1 is located in front of the LH (Drivers side) catalytic converter
    Hope this helps

    Jun 22, 2014 | 2004 Ford Freestar

    1 Answer

    How many oxygen sensors does a 2004 endevor have


    Hi Santiago:
    There is a sensor located before a emission device called a catalytic converter that is located on both sides. The sensors in the back of the engine are called O2 sensor 1 bank one, (sensor before the catalytic converter) and O2 sensor 2 bank one (located after the converter).

    On the front of the engine, going down you have two as well for there is a converter on both sides. first one coming from the engine is O2 sensor 1 bank 2 and then your failed one after the converter, O2 sensor 2 bank 2.

    Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

    Thank you for using FixYa, have a nice day

    Feb 17, 2012 | 2004 Mitsubishi Endeavor

    1 Answer

    Where is the rear "b2 s2" oxygen sensor located in a Jaguar 2003 xtype 2.5liter car? There are 4 oxygen sensors -- one in the front catalytic converter and one next to it by or in the exhaust manifold and...


    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.

    Hope helps (remember to rate this).

    Oct 06, 2010 | 2002 Jaguar X-Type

    1 Answer

    CODE PO155 BANK2 SENSOR 1 WHERE IS THIS SENSOR LOCATED?


    A code P0155 may mean that one or more of the following has happened:
    * O2 Heater element resistance is high
    * Internal short or open in the heater element
    * O2 heater circuit wiring high resistance
    * open or short to ground in the wiring harness

    Possible Solutions:
    * Repair short or open or high resistance in wiring harness or harness connectors
    * Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)


    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.

    Hope helps (remember to rate this).

    Oct 02, 2010 | 2002 Mitsubishi Montero

    1 Answer

    2006 hundai elantra P2270 code. If this is an O2 sensor, which one?


    Possible O2 sensors:

    P2270 O2 Sensor Signal Stuck Lean Bank 1 Sensor 2
    P2271 O2 Sensor Signal Stuck Rich Bank 1 Sensor 2
    P2272 O2 Sensor Signal Stuck Lean Bank 2 Sensor 2
    P2273 O2 Sensor Signal Stuck Rich Bank 2 Sensor 2
    P2274 O2 Sensor Signal Stuck Lean Bank 1 Sensor 3
    P2275 O2 Sensor Signal Stuck Rich Bank 1 Sensor 3
    P2276 O2 Sensor Signal Stuck Lean Bank 2 Sensor 3
    P2277 O2 Sensor Signal Stuck Rich Bank 2 Sensor 3
    P2278 O2 Sensor Signals Swapped Bank 1 Sensor 3 / Bank 2 Sensor 3
    ---
    This is Bank 1 (closer to the dash panel) Sensor 2 (located after the catalytic converter).

    ---
    Note: A malfunctioning front oxygen sensor may cause fuel trim codes to set.
    1. Several Diagnostic Trouble Codes use specific terminology to refer to sensor location. The illustration and key below explain the following terms:
    2. Engine BANK Bank 1 is closer to the dash panel, (also referred to as RH or right hand). Bank 2 is closer to the radiator, (also referred to as LH or left hand).
    3. UP Refers to Sensor 1 or "front sensor". It is located closer to the exhaust manifold and before the catalytic converter.
    4. DOWN Refers to Sensor 2 or "rear sensor." It is located after the catalytic converter.
    5. The following examples show how to interpret oxygen sensor terminology:
    6. B1/S1 = Bank 1/Sensor 1 = Dash panel side, BEFORE the catalyst or "upstream"
    7. B2/S2 = Bank 2/Sensor 2 = Radiator side, AFTER the catalyst or "downstream"

    Aug 06, 2010 | Hyundai Elantra Cars & Trucks

    2 Answers

    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....

    cfea0cf.jpg
    It threads right into the exhaust pipe.

    Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

    Mar 05, 2009 | 2002 Mitsubishi Montero

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