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What does code P0157 mean? - 2003 Mitsubishi Eclipse Spyder

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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
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P0157 O2 Sensor Circuit Low Voltage

Mar 11, 2016 | 2007 Honda Odyssey

2 Answers

2004 dodge ram 1500 4X4 5.7 hemi - runs rough & dies at slow speeds but okay at fast speeds. diagnostic code P0157 o2 circuit low voltage bank 2 sensor 2 is shown. how to fix?


Usually the code means the O2 sensor is faulty.
But in your case it could mean there is a problem with the fuel system on bank two. Bank two is the side with cylinder two.
A low voltage reading from the sensor would mean that side is very lean if the sensor is working and the sensor in front of the catalytic converter shows the same readings.

Feb 01, 2013 | Cars & Trucks

1 Answer

What dose code p0157 mean for 2003 sububurn


The meaning if this code is voltage low for the Oxigen sensor bank #2 sensor #2. Here's more info of the web on this subject. http://www.obd-codes.com/p0157

Jun 26, 2012 | Chevrolet Suburban 1500 Cars & Trucks

1 Answer

New cat vs a O2 Sensor


The easiest way to see if a cat is working is to measure the exhaust temp before and after the cat. If the cat is working the after temp will be less than before. We use an inferred heat gun.
Not sure what you mean by pulsating. If your truck is a V-6 you might be able to switch the bank 2 sensor with the bank 1 to help diagnose.

Jun 23, 2012 | 2002 Isuzu Rodeo

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

What does code 157 and 189 mean


p0157 obd code indicates o2 sensor out of range

Mar 01, 2010 | 1995 Ford Mustang

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

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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