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5 Noticeable Signs
Your Audi Oxygen
Sensor May Need
Replacement
The oxygen sensor is an important
car part and yet we often take it
for granted.
 Most people are not
even aware of its
existence.
Oxygen Sensor: A Brief
Discussion
An oxygen sensor is
important, but what
precisely is it and why is it
so important?
To begin with, it aids the engine
management computer in the following ways:
 Dynamically
regulating the
air-to-fuel ratio
within the
cylinders.
 Preventing the
engine from
running lean or
rich.
 Reducing
exhaust
emissions.
And guess what? If it breaks down, the
engine will have a lot of issues.
Signs Your Audi Is In
Need Of A New
Oxygen Sensor
#1- Dense black exhaust
smoke
Does your Audi's exhaust
produce a lot of black
smoke?
If such is the case, the
oxygen sensor is
probably at fault.
#2- Car is not getting enough
power
Your car will struggle
to pick up speed if its
oxygen sensor
malfunctions.
The issue will not
resolve on its own.
Youll need to replace
the defective sensor.
#3- Misfire and rough idle
Thats right
 Engine misfire and a
rough idle can both be
caused by a bad oxygen
sensor.
#4- Engine warning light
Another sign you are most likely
to encounter if the oxygen sensor
is faulty is;
 Check engine light
To reset the light you
will need to replace
the defective sensor.
#5- Rotten egg-like smell
If your Audi smells like a
rotten egg, your oxygen
sensor might have gone
bad.
Such a smell is also a
characteristic of a
defective catalytic
converter.
To Conclude.
Keep an eye on
your Audis oxygen
sensor.
If you suspect there is
a problem, replace it.
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5 Noticeable Signs Your Audi Oxygen Sensor May Need Replacement