Lincoln P0139 HO2S Circuit Slow Response Bank 1 Sensor 2

Description

OBD-II Trouble Code Description for P0139 Lincoln

O2 Sensor Circuit Slow Response

What does this mean?

OBD2 Code P0139 Lincoln definition:
This involves the rear oxygen sensor on the driver’s side. This code indicates the engine air fuel ratio is not being adjusted by the oxygen sensor signal or the ECM as expected to do so, or not adjusted as often as expected to do so once the engine is warmed or under normal engine use.

Symptoms

Possible sumptoms of OBD code P0139 Lincoln
You will likely not notice any drivability problems, although there may be symptoms.

Causes

Possible causes of OBD code P0139 Lincoln
A code P0139 Lincoln may mean that one or more of the following has happened: The oxygen sensor is faulty The wiring to the sensor is broken / frayed There is an exhaust leak

Possible Solutions

The simplest thing to do is to reset the code and see if it comes back. If the code comes back, the problem is more than likely the rear driver’s side oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions: Check and fix any exhaust leaks Check for wiring problems (shorted, frayed wires) Check the frequency and amplitude of the oxygen sensor (advanced) Check for a deteriorating / contaminated oxygen sensor, replace if necessary Check for inlet air leaks Check the MAF sensor for proper operation


The OBD2 Code Information Be Applicable For Lincoln:

2013 Lincoln MKZ,2013 Lincoln MKT,2013 Lincoln MKS,2013 Lincoln MKC,2012 Lincoln MKZ,2011 Lincoln MKX,2010 Lincoln MKZ,2010 Lincoln MKT,2009 Lincoln MKS,2009 Lincoln C Concept,2008 Lincoln MKT Concept,2007 Lincoln Navigator,2007 Lincoln MKZ,2007 Lincoln MKX,2007 Lincoln MKR Concept,2006 Lincoln Zephyr,2006 Lincoln Mark LT,2006 Lincoln MKS Concept,2004 Lincoln Mark X Concept,2004 Lincoln Aviator Concept,2003 Lincoln Town Car,2003 Lincoln Aviator,2001 Lincoln MK9

 

Note:

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