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If your car's exhaust smells like gasoline, these may be the reasons

If your car's exhaust smells like gasoline, these may be the reasons

If your car's exhaust smells like gasoline, these may be the reasons

Do you know the importance of your car's exhaust system ? They play an essential role in the operation of any vehicle and are of utmost importance for the correct performance of any engine.

This causes unburned gasoline to enter the exhaust, generating the smell of gasoline.


When the engine is roughly idling and the tailpipe smells of raw, unburned gasoline, you are suffering from an incomplete combustion excessive exhaust condition.

The internal combustion engine requires a precise mixture of fuel and air to function properly. Too much of either can cause serious performance problems and lead to the smell of gasoline in your exhaust.

These are some of the reasons why the combustion system is causing the smell of gasoline.


Dirty or worn spark plugs

Spark plugs are replaced periodically, with an interval of between 19,000 miles and 37,000 miles according to the manufacturer's recommendations. On certain models there are two spark plugs  per cylinder that are replaced as a pair.

Ignition coil or distributor failure

If the coil or distributor fails, the spark may be too cold to ignite all the fuel in the combustion chamber. The symptom is high idle and the smell of gasoline from the tailpipe.

Fuel injector or carburetor leaks

If an injector or carburetor begins to leak fuel in the combustion chamber, an excessive exhaust condition is created. This causes high idle and unburned gasoline to get into the exhaust, generating the smell of gasoline in the exhaust.
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