Reasons For Foul Smell Coming From Your Volkswagen
Nobody would like a lingering unpleasant smell in their Volkswagen as it will make driving the car very difficult.
Moreover, while driving your Volkswagen if you experience a strong smell of sulfur, then it indicates a serious issue in your car.
Whenever something breaks within Volkswagen's fuel or exhaust system, it can inhibit this process and create the smell.
Here are the reasons behind the foul smell coming from your Volkswagen.
Damaged catalytic converter
The most likely reason behind the pungent smell from your Volkswagen is the catalytic converter which is a part of the emission control system.
When the gasoline reaches the catalytic converter, the role of the converter is to transform the trace amount of hydrogen sulfide into odorless sulfur dioxide.
The catalytic converter is designed in such a way to reduce harmful emissions by converting exhaust gases like hydrogen sulfide into harmless gases.
However, a broken or jammed catalytic converter cannot properly process the sulfur gases and will cause your car to have a pungent smell.
Malfunctioning fuel pressure sensor
The role of the fuel pressure sensor in your Volkswagen is to regulate the use of the fuel in your car.
However, when the fuel pressure regulator malfunctions, then it leads to clogging of the catalytic converter with too much oil.
The large quantity of oil prevents the converter from processing all the exhaust byproducts which exit the car through the tailpipe and produce the foul smell.
Moreover, an excessive amount of byproducts can also build up within the catalytic converter and cause it to overheat which contributes to the smell.
Old transmission fluid
If you have forgotten to flush your transmission system, then the transmission fluid may begin to leak into other systems which leads to foul smell.
However, it is very easy to deal with this problem as you only need to routinely change the transmission fluid as suggested by your Volkswagen's manufacturer.
Whenever you experience these foul smell coming from your Volkswagen it is important to inspect the cause of these smell.
You need to immediately take your Volkswagen to an automotive repair shop to diagnose the cause of the smell and fix the issue.
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