Englewood Auto Repair


Your car runs by making explosions that create both noise and toxic gases. Your muffler and exhaust system is designed to minimize these products and channel what’s left away from the passengers in the car. A failure in your muffler or exhaust system can not only lead your car to produce more smog, it can make your driving experience unpleasant, or even dangerous.

At Auto Lab, we can diagnose numerous problems in your muffler and exhaust system and repair them quickly and at a competitive price. For an estimate on your muffler or exhaust system repair, please call us or schedule an appointment online at our shop in Englewood, CO.

How to Tell If You Have Muffler or Exhaust System Problems

Of course, one way to tell if you have a problem with your exhaust system is if it fails an emissions test. However, there are other things to watch out for, such as:

  • Sudden increase in the noisiness of your vehicle
  • Increase in the amount of visible emissions from your vehicle
  • Smelly emissions from the vehicle
  • Smell in the cabin of the car
  • You or others get headaches from riding in your car
  • Visible damage or wear to the exhaust system

During scheduled maintenance we will examine your exhaust system to ensure it is functioning properly, but you should also make us aware of anything you have noticed.

How Your Exhaust System Works

Ideally, complete combustion of the gasoline in your car would produce just carbon dioxide, water, and nitrogen gas, which is inert and actually makes up most of the atmosphere. However, the processes of your car cannot produce complete combustion, so it produces a number of other gasses that can be toxic. This includes carbon monoxide, volatile organic compounds (VOCs) and nitrous gasses, NOx. Carbon monoxide is highly toxic and can lead to poisoning with acute exposure. VOCs include many toxic compounds such as aldehydes and ketones, which can cause cancer and other illness. Nitrous gasses often combine with water to form nitric acid, a component of acid rain, but also an irritant.

Your exhaust system is designed to channel the exhaust from your engine away from you and, along the way, eliminate some of the more toxic products of your engine. The catalytic converter converts carbon monoxide to carbon dioxide and nitrous gasses to nitrogen. The exhaust system also includes a sensor that detects the presence of VOCs and alters the intake of the engine to improve the efficiency of combustion, which is not only good for the environment, it improves your gas mileage.

The muffler also works to reduce pollution—noise pollution. It channels sound waves from the explosions and motions of the engine against each other, so they cancel one another out before leaving the vehicle.

Repairs of the Muffler and Exhaust System

The most common repairs necessary in the exhaust system are:

  • Oxygen sensor replacement
  • Muffler replacement
  • Catalytic converter replacement
  • Finding and repairing leaks in the system, including faulty gaskets
  • Calibration of the exhaust system
  • Securing exhaust system components

Other repairs may be necessary, depending on the nature of the problem. At Auto Lab, we work hard to diagnose the proper cause of your problem, and repairs will only be performed by a technician certified to conduct that repair.

To learn what repairs your car needs, please schedule an appointment at Auto Lab in Englewood, CO today.

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