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Can someone tell me the meaning of a P0139 code on an Elantra 2002?

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O2 Sensor Circuit Slow Response Bank 1 Sensor 2

Posted on Oct 03, 2008

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3 Answers

PO-139 I had that sensor change 3 weeks ago and the check engine light came on again this morning.Thanks


Probably replaced a good sensor. This codes could be from a bad sensor, a vacuum leak, or an exhaust leak before the sensor.

Dec 01, 2015 | 2006 Hyundai Tucson

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What does the code P1440 on a 2002 Hyndai Elantra Means


It simply means the cannister valve is open or short!!!!!!! Or Evap system vent circuit,,,,

Feb 28, 2015 | Hyundai Motor 2002 Elantra

1 Answer

2005 ACCORD ERROR CODE P0139


po139 is a code for o2 sensor slow response bank 1 sensor2 which tells me you have a v6 engine and this sensor is located after the catalytic converter on the side of the engine that the #1 cylinder is on.

Sep 11, 2012 | 2005 Honda Accord

1 Answer

I recieved a code PO139 on my Hyundai Elantra and was wondering what that code details. Thanks


P0139 - HO2S Circuit Slow Response (Bank 1 / Sensor 2)

Possible causes:

Leak in intake or exhaust system
?? Faulty fuel system.
?? Front and rear HO2S connections reversed.
?? Contact resistance in connectors
?? HO2S contamination

Most PROBABLE cause: Defective/Old/Aging O2 sensor

Jun 10, 2011 | Hyundai Elantra Cars & Trucks

1 Answer

What is nissan quest code p0138/p0139


P0138 - Oxygen Sensor Circuit High Voltage (Bank1, Sensor2)

P0139 - Oxygen Sensor Circuit Slow Response (Bank1, Sensor2)

The Heated Oxygen Sensor (1 or 2) located rear of catalytic converter produces an output signal relative to oxygen storage capacity of catalytic converter. Ho2S 2 signal is less active than signal produced by front oxygen sensor. This code sets when HO2 Sensor voltage is greater than 999 mV for more than 2 minutes (time depends on model. Could be as high as 4 minutes)

Symptoms: There may be no noticeable symptoms except for MIL illumination. Possible high fuel pressure can over rich the system.

Causes: A code P0138 may mean that one or more of the following has happened:
* Faulty O2 sensor
* Short to battery voltage in O2 sensor signal circuit
* High fuel pressure (not as likely)

Here are some potential solutions:
* Replace O2 sensor
* Repair short to battery voltage in o2 sensor signal circuit

Hope helps (remember to rate this answer).

Oct 11, 2010 | 2002 Nissan Quest

1 Answer

How to change a shock in the 2002 elantra


I can tell you how to do it but if you're asking. Please seek professional help. Changing a shock is dangerous for a professional imagine how much more dangerous it is for someone who does'nt know or have never changed one.

Apr 26, 2010 | Hyundai Motor 2002 Elantra

1 Answer

My car indicates check engine sigh with following two codes 1: p0139 2: p0140


Hi Garcha,

Both codes relate to O2 Sensor # 2

Code P0139: O2 Sensor Circuit Slow Response - Bank 1, Sensor 2
Code P0140: O2 Sensor Circuit No Activity Detected - Bank 1, Sensor 2

A faulty O2 sensor will mean incorrect signals will be sent to the EFI computer, causing erratic engine running.


Cheers,


"If this has helped you in any way, please rate this solution" :-)



Jan 27, 2010 | Hyundai Motor 2002 Elantra

2 Answers

P0139 code for a 2003 hyundai elantra. What is this code?


Hi the code P0139 is Bank 1 sensor 2 lambda sensor fault ,possible wiring or sensor fault even if you replace the sensor you need to have the MIL lamp turned off by a Diagnostic machine,it is possible you have another fault such as poor Catalytic converter efficency giving the same fault code ,Would recomend you get the car checked and read the "live" data as the car see`s it to make an accurate diagnosis and cure

Jul 10, 2009 | Hyundai Motor 2003 Elantra

1 Answer

2002 mirror on 2005 model?


If it looks and mounts the same it will work, but u may have to splice the connector from the original mirror onto the new one.

Dec 09, 2008 | Hyundai Motor 2003 Elantra

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