Description
OBD-II Trouble Code Description for P0138 Ford
O2 Sensor Circuit High Voltage
What does this mean?
OBD2 Code P0138 Ford 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 Ford
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 Ford
A code P0138 Ford 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 Ford:
2013 Ford Taurus,2013 Ford Mustang,2013 Ford Kuga,2013 Ford Fusion,2012 Ford Focus,2011 Ford Mondeo,2011 Ford Focus,2011 Ford Edge,2010 Ford Mustang,2009 Ford Focus,2008 Ford Fiesta,2008 Ford Escape,2007 Ford Mondeo,2006 Ford Focus,2005 Ford Mustang,2005 Ford Escape,2003 Ford Mustang,2003 Ford Focus,2000 Ford Mustang
Note:
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