Symptoms of Failing Oxygen Sensor in Your Car - PowerPoint PPT Presentation

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Symptoms of Failing Oxygen Sensor in Your Car

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The oxygen sensors are generally used in your car for measuring the level of oxygens in the exhaust gas exiting the engine. It is mostly used by the powertrain control module where you find out the correct air to fuel ratio for your engine in the real time. Here the sensor is located in the exhaust systems and allow the fuel engine to work very efficiently and assist them by the emission controls. The failed oxygen sensor can put a negative impact on the emission and engine performance. Here the given provide all the symptoms of a failing oxygen sensor. – PowerPoint PPT presentation

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Provided by: germanmotorautocare
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Title: Symptoms of Failing Oxygen Sensor in Your Car


1
Symptoms of Failing Oxygen Sensor in Your Car
2
The oxygen sensor in your car is used to measure
the oxygen levels in the exhaust gas exiting the
engine.
3
This information is used by the Powertrain
control module to find out the correct air to
fuel ratio for your engine in real time.
4
The sensor is located in the exhaust system and
allows the fuel injection and engine timing to
work efficiently, which assists with emissions
control.
5
The oxygen sensor transmits the data to the
vehicle's process control module to maintain the
optimal air to fuel ratio for your engine.
6
A bad or malfunctioning oxygen sensor will have a
negative impact on the environmental emissions
and engine performance.
7
Here are the symptoms of a failing oxygen sensor
in your car.
  • Check engine light illuminates
  • Bad fuel economy
  • Rough engine idle misfire

8
Check engine light illuminates
9
The first sign of failing oxygen sensor is check
engine light. The check engine light will
illuminate if you have a bad or failing oxygen
sensor.
10
As soon as the check engine light gets turned on,
you must contact a professional automotive
technician to diagnose the issue.
11
This light can get illuminated for many
different reasons, so it is important to have it
looked at by a professional who can find out the
exact cause.
12
Bad fuel economy
13
If the oxygen sensor is failing, the
fuel-delivery and fuel-combustion systems will be
thrown off.
14
If a failing oxygen sensor disrupts the air to
fuel ratio mixture, or too much fuel is injected
into the engine, your car's mileage will be
reduced.
15
If you find that you are filling up your gas tank
more often, keep a record of how many gallons you
fill up with how often.
16
If you find out it is more than normal, then your
oxygen sensor has definitely gone bad and have a
professional mechanic check out your oxygen
sensor.
17
Rough engine idle misfire
18
As your oxygen sensor is going bad you may notice
your vehicle is running rough, misfiring or
running irregularly while idling.
19
Since the oxygen sensor output, helps control
engine timing, combustion intervals, and the air
to fuel ratio, a bad sensor can affect these
engine functions, which leads to rough or
irregular engine idle.
20
Conclusion
21
If your car was manufactured within the past 15
years, the oxygen sensor should be replaced every
60,000 to 90,000 miles.
22
Replacing a bad or failing oxygen sensor will
reduce the level of emissions your car puts into
the atmosphere while keeping your engine running
smoothly and properly.
23
As soon as you notice the above symptoms, then
immediately contact the automotive workshop to
replace the oxygen sensor.
24
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