Subaru P0151 HO2S21 Sensor Circuit Low Voltage

Description

OBD-II Trouble Code Description for P0151 Subaru

O2 Sensor Circuit Low Voltage

What does this mean?

OBD2 Code P0151 Subaru definition:
Essentially the same as P0136 Subaru and P0137 Subaru and P0131 Subaru, a P0151 Subaru code definition:the first oxygen sensor on Bank 2 . P0151 Subaru means the O2 oxygen sensor’s voltage remained low for longer than 2 minutes. This, is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 2 Sensor 1 is located in front of the catalytic converter.

Symptoms

Possible sumptoms of OBD code P0151 Subaru
There may be no visible symptoms to the driver, other than the MIL (Check Engine / Service Engine Soon) illumination.

Causes

Possible causes of OBD code P0151 Subaru
A code P0151 Subaru may mean that one or more of the following has happened: Faulty o2 oxygen sensor Short to voltage on O2 signal circuit High resistance or open on O2 signal circuit

Possible Solutions

Replace faulty sensor Repair short, open, or high resistance on o2 signal circuit


The OBD2 Code Information Be Applicable For Subaru:

2013 Subaru WRX Concept,2013 Subaru Viziv Concept,2013 Subaru Outback,2013 Subaru Legacy,2013 Subaru Impreza,2013 Subaru BRZ,2012 Subaru XV,2012 Subaru Impreza,2011 Subaru XV Concept,2011 Subaru Outback,2011 Subaru Impreza,2011 Subaru Forester,2010 Subaru Legacy,2010 Subaru Impreza,2009 Subaru Impreza,2008 Subaru Impreza,2008 Subaru Forester,2006 Subaru Impreza,2005 Subaru R1,2005 Subaru Pleo,2004 Subaru Impreza,2004 Subaru Forester,2003 Subaru Traviq

Note:

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