Exhaust Repair

Exhaust Repair

Keeping your exhaust system in good working condition is vital for the environment and your safety. Your car’s exhaust system diverts the gases created when fuel and air are burned in the combustion chamber to the rear of your vehicle. These gases are harmful, even deadly and performing periodic checks of your exhaust system is a must to provide for you and your family’s safety.

The exhaust system begins with the manifold which attaches to the cylinder head and takes the exhaust from individual cylinders and combines it into one pipe. Mounted between the exhaust manifold and the muffler is a catalytic converter, which essentially is an “after burner” reducing harmful carbon monoxide and hydrocarbons into water vapor and carbon dioxide. Today’s converters also reduce the oxides of nitrogen through a second chamber. Exhaust then flows into the muffler into the tail pipe and away from the vehicle.
Exhaust Repair
Some may ask why the exhaust system rusts or corrodes more quickly than the other parts of the vehicle. Moisture, or water vapor is present in the exhaust as a by-product of combustion. Short trips in your car can shorten the life of your exhaust system. When you shut down your engine whatever water vapor is in the pipes condenses and turns back into a liquid. On shorter trips the water never has a chance to get hot enough time to burn off and turn back into water vapor than stays in the system and rusts away the system from the insid

If you notice a decrease in your gas mileage the oxygen sensors (usually 4)which are in the exhaust and may be losing its efficiency. As time goes on the oxygen sensors begin to wear and becomes “lazy” or less accurate. This sometimes results in a rich fuel mixture where your engine burns more fuel than is needed and begins to coat the inside of the converter. We suggest changing the oxygen sensors every 80,000 miles or so to keep the fuel mixtures where they should be. Even though your check engine light might not be on, you could be using more gas than is needed. Having your oxygen sensors changed during maintenance may save you big money later for a clogged catalytic converter or other brake downs. Symptoms include loss of power, heat coming from the floor of your car, glowing red converter or even a sulfur smell.

Remember Extra Mile Auto Service can help you from becoming “exhausted”, advising you about all of your automotive needs.


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