Question about 2004 Nissan Sentra
Of coarse you haven't
You only find the Generic OBD Codes, required by the Govt
The dealers took your tax dollars, and now want your vehicle back, so they can take more money
The P Codes and others, are Manufacturer Specific
P1138 --Lack of HO2S Switch,Indicates Lean
Without writing a book on that issue, You may have a bad Oxy Sensor
It is a rather unusual code,so I would have it checked out by a local repair shop.
Posted on Nov 07, 2010
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Posted on Jan 02, 2017
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