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Po141 Replaced O2 sensor, still have code PO141

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You replaced Bank #1 Sensor #2 downstream one

Posted on Jan 22, 2013

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03chevy
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SOURCE: check engine light. code po141 codepo122

P0122 Throttle Position Sensor/Switch A Circuit Low Input
P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
these 2 sensors are easy to change after you change them rescan the computer and erase the codes.

Posted on Apr 15, 2010

  • 496 Answers

SOURCE: 2003 honda element code po141 o2 heater circuit

This sensor is "downstream" of the catalytic converter. On some Honda installations, this means the sensor is placed halfway down the side of the catalytic converter.

Posted on Mar 05, 2011

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1 Answer

2006 Dodge Caravan Getting Two codes: Po135 and Po141


Sadly people don't know that trouble codes only tell the mechanic what to test, not what to replace. And auto parts stores are in the business of selling parts, not giving advice.
Code 135 means there is a problem with the heater inside the o2 sensor for bank one in front of the catalytic converter. Code 141 means the same thing for the o2 sensor after the cat.
Since it is very rare to have two O2 sensors fail at the same time, chances are the problem is lack of power going to the sensors.
The power circuits would need to be checked which requires a shop manual to get the testing procedures and wiring diagrams.

Aug 05, 2014 | 2006 Dodge Grand Caravan

1 Answer

How to fix codes P0134 P0141 and P1133 on 2003 GMC Denali?


P0134 O2 sensor drivers side before catalytic converters.
PO141 O2sensor drivers side after converter
P1133 insufficient switching of O2 sensors. Will probably
go away once sensors are replaced.

Jun 24, 2014 | 2004 GMC Sierra Denali

1 Answer

Po141 O2 sensor heater circuit


has 2 O2 sensors has to be replaced poss. #2 after cat. converter

Sep 21, 2013 | 2000 Hyundai Accent

1 Answer

What does code po141 mean on a 2001 Acura cl 3.2?


Its o2 sensor error code.-------

P0141-Bank1 Sensor2- code.--------

The "Sensor located after catalytic converter".This o2 sensor needs to be replaced.-------

this will help.thanks.Helpmech.

Aug 04, 2011 | 2001 Acura 3.2CL

1 Answer

Po141 o2 sensor code comes on my 1999 chevy s10 I've replaced the sensor. The check engine light came on again.


You should have 4 O2 sensors and it sounds to me like the wrong one was replaced. Bank 1 Sensor 2.

Jun 24, 2011 | 1998 Chevrolet S-10 Pickup

1 Answer

I have a problem with my 2003 cadillac cts code po141 i have replaced the o2 sensor on the passenger side before the cat but i still have the same problem


You do realize you have 4 o2 sensors on the vehicle? Obtaining a reading from its computer (failure code) will not tell you exactly which sensor is faulty. In fact, no device currently that I know of will give you an error code to exactly which o2 sensor is at fault. You may have replaced a good sensor with a new sensor and hopefully you didn't throw the old sensor out. I would put the old sensor back in and start performing the process of elimination method with the known, new sensor. Currently, you are 25% there (2 banks, 2 o2's per bank).

Apr 12, 2011 | 2003 Cadillac CTS

2 Answers

I have a code po141 what i have to do what piece a have to change in where are this pieces


Code PO141 indicates that the heater circuit in the Oxygen Sensor mounted in Bank 1 (Driver's Side) is not working properly. The ECM has determined that the sensor is taking too long to heat up to around 600 degrees and then switch out of close loop mode. If the ECM determines that it is taking too long then a code PO141 will be set. Normally it is the sensor itself that is defective. Replacing the sensor normally will fix the problem. However it can be the wiring harness or a a bad connection. Check the wiring carefully and look for a short in the wiring. If you find none then replace the O2 Sensor. If this does not repair the problem do not replace any other parts. Time to take it to a professional with professional tools and diagnostic skills to find the problem. The O2 sensor is more than likely the problem but there is no guarantee that will fix it.

Jun 10, 2010 | 2002 Chevrolet S-10

2 Answers

Check engine light. code po141 codepo122


po141, may be a bad o2 sensor, rear sensor after converter. the po 141 is low voltage to tps, try replacing the oyxgen sensor first and then reset the codes and drive if the po141 comes back then replace the tps,

Apr 15, 2010 | 1998 Chevrolet S-10 Pickup

2 Answers

Emission code po141 what is the problem thanks


P0141 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 2

HI, this code if for a fouled O2 sensor that you will need to replace asap.

Jun 01, 2009 | 2003 Honda Accord

2 Answers

How many O2 sensors on a 1997 Lexus ES 300?


according to the manual i have... it has three.... one in the exhaust manifold.... and two in the exhaust pipe..... slightly vauge on the exact location of the last two sensors... but looks like it is after the catylitic converter.

Apr 15, 2009 | 1997 Lexus ES 300

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