Nesecito de suss ayudas porfavor use google translate, this is English forum. "P0161 jeep liberty 2002 3.7 cylin that will be and where that weighted I need your help please:?
The book is free to read in english
the book tells you what to test to find it.
its called the service manual.
2/2 O2 Sensor Heater Failure
that means bank 2, read oxygen sensor is bad.
or the wires to it are broken (snapped or melted or corroded)
a tech, checks that power reaches those wires.
inspects them.
then measure the heater pins , (resistance) is about 12 ohms.
if the heater is open its bad.
most folks just change, it, and most are cured.
it is a high failure item on all cars.
now you will ask next"where is it"
answer bank2
where is bank 2, its on cylinder #2 bank
where is cylinder 2 bank, its the most rear bank : OFFSET to rear.
answer right bank. is #2
#1 bank is leading cylinder. #1
so right bank rear. 0xy bad.
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