engine code P0138 0- what to do..
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Three Wheeling
Joined: Feb 2009
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From: brampton, ont
engine code P0138 0- what to do..
I have a 1997 discovery with 145K on it. I recently changed all the 4 oxygen sensors.
Occasionally my engine light would still turn on, and this is the error code that it would produce..
P0138 - H20S Failure to switch to lean. Bank A.
What does this mean? Is it one of the oxygen sensors is malfunctioning?
If it is, which one is Bank A?
Occasionally my engine light would still turn on, and this is the error code that it would produce..
P0138 - H20S Failure to switch to lean. Bank A.
What does this mean? Is it one of the oxygen sensors is malfunctioning?
If it is, which one is Bank A?
are you using a generic OBDII reader?
if I recall correctly, the 0138 code is related to the O2 sensors after the cat. generally either bad O2 sensor or the wiring going to it.
Check it out further, though.
if I recall correctly, the 0138 code is related to the O2 sensors after the cat. generally either bad O2 sensor or the wiring going to it.
Check it out further, though.
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DiscoBenjamin
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Oct 14, 2011 05:53 PM
