Question about 1992 Pontiac Grand Prix

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O2 sensor? im wondering were the o2 sensor is located?

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The o2 sensor should be located on the exhaust near the headers

Posted on Feb 23, 2009

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The O2 sensor is located in the exhaust pipe prior to the catalytic converter. You'll have to get under the vehicle to see it or replace it.

Posted on Feb 23, 2009


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Posted on Jan 02, 2017

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SOURCE: Upstream O2 sensor location?

That is the first sensor closest to the engine. The downstream sensor is the one behind the converter.
Good luck.
Please rate this response , and let me know if ya need more help!

Posted on Aug 31, 2008

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SOURCE: O2 Sensor replacement

most cars have only 2 o2 sensors one is below the exaust manifold and the other one near the catalytic converter

Posted on May 27, 2009

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SOURCE: o2 sensor location on 1996 pontiac grand am 2.4l


clicking above will take you to a site that should give you the info you need.

Let me know how you get on or if you need further assistance ok

Posted on Nov 10, 2009

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1 Answer

I have a 2007 chevy impala, my engine code is reading p2a01 im wondering where exactly the location of this 02 sensor is?

I don't know what p2a01 is, but the O2 sensors are in the exhaust pipe before and after the catalytic converter.

Nov 23, 2015 | 2007 Chevrolet Chevrolet Impala LT


How to Replace the O2 Sensor in Mercury villager?

O2 sensor needs to be replaced when you get low gas mileage in car.
The procedure to replace is as follows: ----
1) There is primary and secondary O2 sensor connector.
2) Do the replacement of the O2 sensor only when the engine is completely cool.
3)You will see primary O2 sensor on the exhaust manifold.The secondary O2 sensor is located after the catalytic converter.
4)Put the car on jack stands on the rack, this will give you proper sensor location in the car.
5)Remove the O2 sensor with a socket wrench and O2 removal tool extension. Turn the O2 sensor counterclockwise to remove.
6) Most of the times the O2 sensor comes out very easily but if its bit hard to remove it then you can use "FREEZE spray" to make it gets loose.
7)The spray will make it come out easily.
8)When the O2 sensor is getting removed, some of the wiring's will also come out.
9)Before removing the O2 sensor, take the note of the wiring's and the position of wiring so while inserting new O2 sensor you don't get confused.
10) Now after you remove the old faulty O2 sensor out. Carefully insert new O2 sensor in same position.
11) And reverse/refit all the wires / parts which you removed while replacing the old O2 sensor.
This will help. Thanks.

on Mar 22, 2010 | Mercury Villager Cars & Trucks

1 Answer

Im wondering what kind of symptoms, other than running roughly, can a bad o2 sensor cause on a 94 roadmaster?

Take it to a auto parts store and have them get your trouble codes.
Usually the highest one of the list is the culprit as all feed off other

Mar 09, 2015 | Cars & Trucks

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

I have the P0133 code bank 1 sensor 1, i know it could be the O2 sensor but when i disconnect the service hose leading to the evap canister it runs better but only for a little bit. im not sure why that...


Apr 18, 2011 | Dodge Stratus Cars & Trucks

1 Answer

The check engine light is on, and im wondering which O2 sensor has the problem. I can fix it, I just dont know which one to fix.

have you had codes scanned ? if not it might not be 02 sensor could be anything
if you have codes the code should tell u which one is bad

Jan 29, 2011 | Mazda Protege Cars & Trucks

1 Answer

Im trying to change my oxygen sensor bank sensor one and need to know where it located and if there is anything special i need to know about changing it.

What size engine is in this Grand Cherokee? You should be able to get a 13/16 wrench on the hex and remove it. If clearance is an issue, then an O2 sensor socket that is available at most auto stores will be required. I'll need an engine size for an exact location of this O2.

Dec 26, 2010 | 2001 Jeep Grand Cherokee

1 Answer

I have a 2000 Golf GTI VR6 and I am trying to find the fuse for the oxygen sensor, I was told the fault, Found code for O2 sensor heater Bank 1 sensor 1 open circuit. Front O2 sensor failed. Might be the...

if you dont get the o2 sensors replaced it will cause the car to overheat cause im having the same problem with my golf gti vr6 had it dionosed and both my o2 sensors are out nothing else is bad and now it overheats due to the o2 sensors

Aug 28, 2010 | Volkswagen GTI Cars & Trucks

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

1 Answer

Im trring to find the location of the o2 sensor it needs to be replaced but having trouble figuring out which one it is.

The upper O2 sensor is located on the exhaust manifold/s, and the rest is down the line. Some Vehicles have 2, 3, etc. The Upper O2 reads and helps control air/fuel mixture, the lowers usually monitor emissions, and Catalytic converter efficiency.

May 01, 2010 | 2001 Hyundai Sonata

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