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1999 gmc suburban O2 sensor fuse Keeps displaying the P0157 bank 2 sensor 2 code even after having replaced it with new.

My check engine light keeps showing... bank 2 sensor 2 low voltage even after having replaced the sensor.

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  • Cars & Trucks Master
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Bank two, sensor one, is on the back of the engine, closest to the firewall. People report that it isn't easy to change unless you have access to a vehicle hoist. It's easier to get at it from under the car. ------------------------------------------------------------------------------------
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Posted on Jan 05, 2013

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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

2strokeJim
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SOURCE: location of oxygen sensor bank 2 sensor 2 for gmc sierra 1500 v8

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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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

1 Answer

How to fix 98 cadillac cater error codes


Reset error codes by disconnecting battery for 5 minutes. Start fresh. all codes should be clear now. drive and see if any new codes come on. They are the ones you need to address.

May 15, 2017 | 1998 Cadillac Catera

1 Answer

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


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.

Feb 07, 2012 | Cars & Trucks

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

2 Answers

Hi i have a 2002 gmc sierra 5.3 liter engine i


Which o2 sensor did you replace? P0157 is low voltage - o2 sensor, Bank 2, sensor 2. So it would be the post cat o2 sensor on the passenger side. If you replaced the drivers side the code would still be there.

Nov 08, 2009 | 2000 GMC Sierra

1 Answer

Got a check engine light that has been going on and off. the last code is PO157 = O2 Sensor Circuit Low Voltage (Bank 2, Sensor 2)


check your O2 sensor and wires other thinks that can cause that problem is when the engine is running in close loop. u should check if the other codes have to do anything with the coolant system. u should fix the other codes first and see if the p0157 go away.

Jul 03, 2009 | 2002 Honda Passport

1 Answer

Rough idle


Yes bad o2 sensor,check for vacuum leaks also.do you cross your plug wires?

Jun 26, 2009 | 1999 GMC Sierra

1 Answer

Code po157 what does it mean and how do i fix it?


P0157 Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2)

I would try replacing the Oxygen sensor, then clear the code.

The O2 sensor would be the after the catalytic converter ( sensor 2) on the exhaust pipe of the number 2 cylinder uses ( bank 2).

May 18, 2009 | 2001 Mitsubishi Galant

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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