Peugeot P0138 HO2S12 Circuit High Voltage

Description

OBD-II Trouble Code Description for P0138 Peugeot

O2 Sensor Circuit High Voltage

What does this mean?

OBD2 Code P0138 Peugeot definition:
The Heated Oxygen Sensor (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

Possible sumptoms of OBD code P0138 Peugeot
There may be no noticeable symptoms except for MIL illumination. Possible high fuel pressure can over rich the system.

Causes

Possible causes of OBD code P0138 Peugeot
A code P0138 Peugeot 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)

Possible Solutions

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

 


The OBD2 Code Information Be Applicable For Peugeot:

2013 Peugeot 508,2013 Peugeot 4008,2013 Peugeot 308,2013 Peugeot 208,2013 Peugeot 107,2012 Peugeot 308,2012 Peugeot 208,2011 Peugeot 508,2011 Peugeot 408,2011 Peugeot 308,2010 Peugeot 207,2010 Peugeot 207,2009 Peugeot 407,2009 Peugeot 308,2009 Peugeot 206,2009 Peugeot 107,2008 Peugeot 308,2008 Peugeot 207,2007 Peugeot 308,2007 Peugeot 207,2006 Peugeot 407,2006 Peugeot 207,2006 Peugeot 206,2005 Peugeot 407,2005 Peugeot 307,2005 Peugeot 206,2005 Peugeot 107,2005 Peugeot 1007,2004 Peugeot 607,2004 Peugeot 407,2004 Peugeot 206,2003 Peugeot 307,2003 Peugeot 206

 

Note:

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