Check Engine Light: P0138HO2S-12 (Bank 1 Sensor 2) Circuit High Input
#1
02-09-2013, 02:20 PM
Check Engine Light: P0138HO2S-12 (Bank 1 Sensor 2) Circuit High Input
I have had issues with my O2 sensors for a while. I'd really like to get the check engine light to go off and stay off.
In June of 2010 I had Code P0141 and replaced all three oxygen sensors as suggested by the dealer (83k miles).
Now I have code P0138. I was recently at the dealer and had the ECM software updated and all recalls addressed. I didn't pay the $83 for them to read the diagnostic code.
Today I replaced the second o2 sensor (accessible from engine compartment, the one closer to the ground with the orange wire sheath) with the one I pulled two years ago.
#1) did I switch the right oxygen sensor?
#2) is this a faulty O2 sensor problem or something else? Is there any other diagnostic I can run myself before going back to the dealer?
Thanks,
Tim
In June of 2010 I had Code P0141 and replaced all three oxygen sensors as suggested by the dealer (83k miles).
Now I have code P0138. I was recently at the dealer and had the ECM software updated and all recalls addressed. I didn't pay the $83 for them to read the diagnostic code.
Today I replaced the second o2 sensor (accessible from engine compartment, the one closer to the ground with the orange wire sheath) with the one I pulled two years ago.
#1) did I switch the right oxygen sensor?
#2) is this a faulty O2 sensor problem or something else? Is there any other diagnostic I can run myself before going back to the dealer?
Thanks,
Tim
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