Question about 2003 Oldsmobile Aurora

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Where is the o2 sensor 2 bank 1 on a 2003 olds aurora?

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Bank 1 is closest to rear of engine compartment Sensor 2 is post catalytic convertor or after cat

Posted on Nov 26, 2014

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O2 (Oxygen) sensors are in the exhaust system.

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

66 chrgr
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SOURCE: Where is the bank 1 O2 Sensor on the 2001 Olds

it is on the back of the exhaust manifold on the back of the motor by the fire wall

Posted on Mar 04, 2009

SOURCE: o2 sensor

If you can't access it from from the engine compartment you will need to jack the car up and support it. You need a 7/8 box end wrench. Sometimes it take a special wrench due to the angle not accessable with a strait wrench. Its on the exhaust pipe in front of the cat

Posted on Jul 18, 2009

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SOURCE: Rough Idle on start up: faulty O2 sensor?

try coolant temperature sensor

Posted on Aug 19, 2009

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SOURCE: Running lean?

Check for a vacuum leak. You can do this acouple ways the easyest way is too spray some brake clean around engine and if engine picks up you have a leak in that area.Thats the most common fault.

Posted on Feb 16, 2010

355ttrex
  • 249 Answers

SOURCE: Need help locating O2 Sensor One Bank One in my

It should be the sensor on the rear exaust manifold , kinda tricky to get at but not impossible.

Posted on Jul 28, 2010

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2 Answers

Bank 1 sensor 2 location on a 1996 chevy suburban


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Fig. Fig. 3: Oxygen sensor-4.3L engines


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Fig. Fig. 4: Oxygen sensor-5.0L and 5.7L engines





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Fig. Fig. 5: Oxygen sensor-7.4L engines




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).



Dec 12, 2010 | Chevrolet Suburban Cars & Trucks

1 Answer

Hur byter jag växellädsolja på


160....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)

P0161....O2 Sensor Heater Circuit (Bank 2 Sensor 2)

P0162....O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)

P0163....O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)

P0164....O2 Sensor Circuit High Voltage (Bank 2 Sensor 3)

P0165....O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)

P0166....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)

P0167....O2 Sensor Heater Circuit (Bank 2 Sensor 3)

P0168....Fuel Temperature Too High

P0169....Incorrect Fuel Composition

P0170....Fuel Trim (Bank 1)

P0171....System too Lean (Bank 1)

P0172....System too Rich (Bank 1)

P0173....Fuel Trim Malfunction (Bank 2)

P0174....System too Lean (Bank 2)

P0175....System too Rich (Bank 2)

P0176....Fuel Composition Sensor Circuit

P0177....Fuel Composition Sensor Circuit Range/Performance

P0178....Fuel Composition Sensor Circuit Low Input

P0179....Fuel Composition Sensor Circuit High Input

P0180....Fuel Temperature Sensor A Circuit

P0181....Fuel Temperature Sensor A Circuit Range/Performance

P0182....Fuel Temperature Sensor A Circuit Low Input

P0183....Fuel Temperature Sensor A Circuit High Input

P0184....Fuel Temperature Sensor A Circuit Intermittent

P0185....Fuel Temperature Sensor B Circuit

P0186....Fuel Temperature Sensor B Circuit Range/Performance

P0187....Fuel Temperature Sensor B Circuit Low Input

P0188....Fuel Temperature Sensor B Circuit High Input

P0189....Fuel Temperature Sensor B Circuit Intermittent

P0190....Fuel Rail Pressure Sensor Circuit

P0191....Fuel Rail Pressure Sensor Circuit Range/Performance

P0192....Fuel Rail Pressure Sensor Circuit Low In put

P0193....Fuel Rail Pressure Sensor Circuit High Input

P0194....Fuel Rail Pressure Sensor Circuit Intermittent

P0195....Engine Oil Temperature Sensor

P0196....Engine Oil Temperature Sensor Range/Performance

Nov 20, 2010 | 2004 Volvo S80

2 Answers

I need to know which is the bank 1 02 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 20, 2010 | Ford Explorer 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

How many oxygen sensors are in my 95 oldsmobile aurora? and where are they located?


LOCATIONS There are different locations in the exhaust system where O2S sensors are positioned. The locations have been given numbers and will be used in the accompanying charts to identify the positions of O2S sensors in most vehicles. Due to mid-year production changes or factory inconsistencies, all models may not be covered. If a vehicle being serviced is not covered in the charts, inspect the exhaust system (while cold!) in the general locations to find the applicable O2S sensors. NOTE: If equipped with dual exhaust systems, there may be up to 4 or 5 O2S sensors in the exhaust system. Be sure to locate all of them before commencing with any testing or service. Fig. 1: Location No. 1 — down pipe or exhaust manifold 79248g01.gif
Fig. 2: Location No. 1 — typical O2S sensor located in the exhaust manifold 79248g04.gif
Fig. 3: Location No. 2 — left and right banks of a V-type engine 79248g02.gif
Fig. 4: Location No. 3 — exhaust collector (where more than one pipe joins together) 79248g05.gif
Fig. 5: Location No. 4 — outlet of the catalytic converter 79248g06.gif
Fig. 6: Location No. 5 — inlet and outlet of the catalytic converter 79248g03.gif
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Jul 03, 2010 | 1995 Oldsmobile Aurora

1 Answer

Running lean?


Check for a vacuum leak. You can do this acouple ways the easyest way is too spray some brake clean around engine and if engine picks up you have a leak in that area.Thats the most common fault.

Feb 16, 2010 | 1997 Oldsmobile Aurora

1 Answer

On my 97 Olds Aurora, I'm having trouble passing emissions. An oxygen sensor is malfunctioning, I have had my codes read and they say it's the bank 1 sensor 1. But I just replaced the very first oxygen...


The bank 1 sensor should be the one before the CAT on the side of the engine that includes cylinder #1. If you're not sure which bank that is, look across the heads from the side of the engine (front of the car) The bank with #1 on it will have the head a little (1"-2") more towards the front of the engine. The bank that has the head set back a bit will be #2. When there are sensors after the CAT, they're not oxygen sensors, they're CAT efficiency sensors.

Nov 25, 2009 | 1997 Oldsmobile Aurora

1 Answer

O2 sensor


If you can't access it from from the engine compartment you will need to jack the car up and support it. You need a 7/8 box end wrench. Sometimes it take a special wrench due to the angle not accessable with a strait wrench. Its on the exhaust pipe in front of the cat

Jun 20, 2009 | 1999 Oldsmobile Aurora

1 Answer

Codes p1153 -p1140 -p1133-p0174


P0174 Basically this means that an O2 sensor in bank 2 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 2 is generally the side of the engine that doesn't have cylinder #1.
P0140 Basically this means the an O2 sensor in Bank 1 detected a lean condition, same as mentioned above. Bank 1 is the side where cylinder #1 is.
In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling.

P1133 and P1153 indicate that the HO25 Sensor has gone bad. There the O2 sensor to the left and right bank at the exhaust manifold. When the engine first start's the PCM runs on a open loop and ignores the O2 readings till it reaches it's operating temperature. Once the operating temperature has been reached the diagnostic will only run once per ignition cycle and if the PCM detects a lesser then specified value, a DTC of P1133 or P1153 will come up.
Once the problem has been repaired, after 3 start cycle will reset the MIL light. If the O2 is just dirty and slow to heat up try cycling the ignition start 3 times and the light should go off if the O2 sensor does not fail.
Try cleaning the MAF first and see if the light comes off after a few ignition cycle, If the service light is still on you can always have Auto Zone clear the DTC codes and see if it comes back which then check the left and right bank wire harness to the O2 sensors. 
Good luck and hope this helps, keep me posted.

May 25, 2009 | 1997 Oldsmobile Aurora

1 Answer

01 olds aurora


bank 1 sensor 1 will be in exhaust manifold by firewall in the middle. bank 1 sensor 2 will be behind convertor .bank 2 sensor 1 will be in the front manifold down at the end of it

Aug 20, 2008 | 2001 Oldsmobile Aurora

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