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What are the codes mean po141,po140 and po131 in a 2003 e 320 Mercedes

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: po140 po160 codes come up replaced 3 of the 4

Do you have a 1, 2 or 4 wire plug?

Posted on Feb 11, 2011

XKarDoc
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SOURCE: 1997 blazer codes po137 po140 po141

Those codes all deal with oxygen sensor #2 (after the catalytic converter) on bank #1. P0141 deals with the heater circuit of that sensor. I would start by checking the wiring to that sensor. The sensor itself could be bad. The catalytic converter could be also bad although that wouldn't explain the code P0141.

Posted on Jul 04, 2011

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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

2 Answers

I have a 2000 plymouth neon the codes show up as po139 po140 po141 were are they located and what am i buying


all refer to the o2 sensor right hand side ,clear the codes and see if they come back as sometimes the OBD detects a random signal and stores it even though there is nothing wrong, if the codes come back then check the wiring from the PCM to the o2 sensor as is likely to be a worn/melted wire as the last 2 codes refer to a short in that circuit ,the first is the sensor its self but the wire problem would throw this code up as well ,this is really a repair shop job as would need to get under vehicle to inspect some of the wiring etc

May 09, 2014 | 2000 Plymouth Neon

2 Answers

What does code PO 140 mean


Yes, PO140: O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2

Apr 06, 2014 | 1997 Buick Riviera

1 Answer

There is gas in the intake manifold of my 99 Silverado LS 1500 5.3?


Sounds like a stuck open injector to me. I think most if not all of those codes are ghosts caused by the computer trying to make sense of all that fuel. Plug the injectors in and bump the key and see if one is spurting fuel. Have a fire extinguisher ready, and aim the injectors into a bucket if you can.

Mar 24, 2017 | 1999 Chevrolet Silverado 1500

1 Answer

NEED TO KNOW WHAT CODE PO137,PO141,PO452 MEAN FOR A 2000 DAEWOO NUBIRA


two codes are for an oxygen sensor & the 452 for the evap system

Google OBD2 Systems followed by the code

Nov 29, 2012 | 2002 Daewoo Lanos

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

1997 blazer codes po137 po140 po141


Those codes all deal with oxygen sensor #2 (after the catalytic converter) on bank #1. P0141 deals with the heater circuit of that sensor. I would start by checking the wiring to that sensor. The sensor itself could be bad. The catalytic converter could be also bad although that wouldn't explain the code P0141.

Jul 04, 2011 | 1997 Chevrolet Blazer

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

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Code po141 heater circut sensor/where do i find this sensor? where is bank 1


code is not for heater circuit,
code p0141=O2 Sensor Heater Circuit Bank 1 Sensor 2
that means its an oxygen sensor located in bank 1 which is the drivers side,sensor 2 means its the downstream sensor after the convertor

Nov 15, 2009 | 1998 Pontiac Grand Am

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