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Location of oxygen sensor bank 2 sensor 2 for gmc sierra 1500 v8

P0157 code for bank 2 sensor 2. replaced o2 sensor on left side past Catalytic Converter and scanner reads p0157

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Bank 2 is the bank that is farther back than the other when looking at eng from the front you will see that one cyl head is farther forward (closer to radiator than the other. this is #1 Bank) #2 is the opposite and sensor #2 is the one after the Catyliac Convertor towards the muffler. #1 sensor is between head and Cat.

Posted on Feb 07, 2012

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Posted on Jan 02, 2017

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SOURCE: CHECK ENGINE LIGHT IS ON, GOT CODES P0157 2 TIMES,

the bank 2 sensor2 is used to check that your catylitic converter is working on that side of the exhaust. without seeing the car and doing sensor tests, it would be a gamble to say replace the sensor. so you can replace it and see what happens or take it to your favorite shop for further diagnosis

Posted on Dec 02, 2009

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Code P0157


OBD II P0157 due to Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 2)
This code refers to a fault in the post-catalyst o2 sensor on Bank 2. First, a basic run-down of the catalyst: The Catalytic Converter is used to help control tailpipe emissions, to "clean up" the exhaust, if you will. The PCM (Powertrain Control Module) uses the signal from the heated oxygen sensor to the rear of the catalyst to monitor the catalyst's efficiency by comparing it to the o2 sensors in front of the catalyst.

Read more at: http://www.obd-codes.com/p0157
Copyright OBD-Codes.com

P0157 O2 Sensor Circuit Low Voltage

Mar 11, 2016 | 2007 Honda Odyssey

2 Answers

What is P0157 code for 2006 saturn Vue


Bank 2 sensor 2 fault. That would be the downstream oxygen sensor for bank 2.

Aug 03, 2015 | Saturn 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
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This is Bank 1 (closer to the dash panel) Sensor 2 (located after the catalytic converter).

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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

My 99 gmc sierra 2500hd has a bad o2 sensor sensor 1 bank 2 is that pass side front


bank 1 always refers to the bank that the No.1 cylinder is located and bank 2 is the other bank. Senspr 1 refers to the upstream oxygen sensor ( before the catalytic converter) sensor 2 refers to the downstream o2 sensor(after the cat) So if your No.1 cylinder is on the left side(drivers side) then your assumption is correct.

Jul 05, 2010 | Cars & Trucks

3 Answers

CHECK ENGINE LIGHT STAYS ON. WAS TOLD IT WAS THE 02 SENSOR/VALVE. WHERE DO I FIND THIS? GMC SIERRA 1500


You should have 5, O2 sensors on your Sirera. What are the DTC codes, each codes will indicate which O2 sensor needs to be addressed, or is this an answer with someone guess what the check engine light is saying.
Thye check engine light could be from a bad O2 sensor to just a bad or loose gas cap to a transmission issues.
Thank you for using fixya and note that Auto Zone and most larger auto parts store will scan DTC codes free of charge.

Jun 07, 2010 | 2006 GMC Sierra 1500 2WD

1 Answer

Po137/po157 codes no activity


P0137 / P0157-Oxygen O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2) refers to the second oxygen sensor on Bank 1. P0137 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes. This, is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 1 Sensor 2 is located to the rear of the catalytic converter and should produce an output signal relative to oxygen storage capacity of the catalytic converter. This rear (sensor 2) sensor is less active than the signal produced by the front sensor. However, if the ECM senses the sensor is inactive, this code will set.

A code P0137 may mean that one or more of the following has happened:

Faulty o2 sensor Exhaust leak near the rear sensor
Plugged catalyst
Short to voltage on O2 signal circuit
High resistance or open on O2 signal circuit

Possible Solutions…
Replace faulty sensor
Repair exhaust leak near the rear sensor
Check for restriction in catalyst and replace as necessary
Repair short, open, or high resistance on o2 signal circuit

Mar 08, 2010 | 2000 Chevrolet Camaro

2 Answers

I have a p016102 sensor heater circuit malfunction (bank 2 sensor 2) what does that mean


It basically means the PCM detected either an excessive current draw, or an open or short in the circuit powering the oxygen sensor's heater circuit. This is in reference to the Heated Oxygen Sensor (2) located rear of catalytic converter (Bank 2).

A code P0161 may mean that one or more of the following has happened:
· HO2S heater power circuit open
· HO2S heater ground circuit open
· HO2S signal tracking (due to oil or moisture in the connector)
· HO2S is damaged or has failed PCM has failed

Possible Solutions
· Replace HO2 Sensor
· Repair open or short in power circuit
· Repair open or short in ground circuit
· Repair damaged connector due to tracking

Dec 12, 2009 | 2003 GMC Sierra 2500HD

1 Answer

CHECK ENGINE LIGHT IS ON, GOT CODES P0157 2 TIMES,


the bank 2 sensor2 is used to check that your catylitic converter is working on that side of the exhaust. without seeing the car and doing sensor tests, it would be a gamble to say replace the sensor. so you can replace it and see what happens or take it to your favorite shop for further diagnosis

Dec 02, 2009 | 2000 GMC New Sierra 1500

1 Answer

1999 GMC Sierra 5.3L knocking sound around Catalytic Conerters? ?


on my gmc i have 2 knock sensors and im not possitive if you have two or not under your intake mani but when i replaced both mine i got the same code of low input so i took the small needle out and wire brushed it clean and also traced and ran a new wire just to be safe and that solved my problem. as for bank 1,2 if it helps any my bank one is located engine side driverside and bank2 is engine side passenger side and 3 and 4 are underneath bed side. but you can see the sensors if you look real close near the headers. hope this helps
See less

Jun 27, 2009 | 2003 GMC Sierra 1500

2 Answers

Code P0157 and P0137


Hi P0157 is
02 sensor circuit low voltage bank 2 sensor 1

P0137
02 sensor circuit low voltage bank 1 sensor 2

May 06, 2009 | 2000 GMC New Sierra 1500

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