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From Experts in Mountain View
The check engine light in your Audi acts like a warning system for your car.
Whenever there is something wrong with your car, the check engine light illuminates.
Most drivers are confused about whether to drive their car or not when the warning light is on.
Here are the factors that cause the check engine light to illuminate in your Audi.
Oxygen sensor that is responsible for monitoring the amount of unburnt oxygen present in the exhaust system.
This data is sent to the computer of your car which uses it to control the mixture of air & fuel that enters the cylinder.
If the oxygen sensor fails, then also combustion process will take place and you will be able to drive your car.
However, you will experience low fuel mileage and a lack of power when you drive your Audi.
The catalytic converter converts the carbon monoxide produced during the combustion process into carbon dioxide.
The malfunctioning of the catalytic converter can easily lead to the illumination of the check engine light in your car.
Most of the time the catalytic converter malfunctions due to clogging of the system.
Generally, people drive their cars even if the catalytic converter is blocked, however, you must replace it.
The ignition coil in your car produces the electricity needed by the spark plugs to ignite the air & fuel mixture.
Issue in the ignition coil is bound to affect the functioning of the spark plugs & leads to illumination of the warning light.
The number of the spark plugs in your Audi depends on the type of engine it comes equipped with.
This is a serious issue & you need to take your Audi to a certified repair shop immediately for diagnosing the failure.
These are some of the factors that cause the check engine light to illuminate in your Audi.
Take your Audi to a certified repair shop for diagnosing and fixing the issues.
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