Exhaust And Emissions

2018 Honda Civic Type R Exhaust Video

By Joe Bruzek on December 22, 2017

CARS.COM — How a car sounds is integral to the overall sports-car experience, and the Honda Civic Type R has a unique sound both under the hood and out back — and a lot of that is he... Read More
What's Causing That Smell in My Car?

By Rick Popely on August 17, 2016

CARS.COM — If your vehicle is giving off an unusual or sickening odor instead of that instantly identifiable new-car smell, follow your nose and find the source of the aroma. Bad smells ca... Read More
Why Is My Muffler Rattling?

By Rick Popely on May 31, 2016

CARS.COM — Most exhaust problems can be diagnosed by paying attention to unfamiliar sounds or taking a look underneath the car. One of the most common exhaust problems is a rattling sound.... Read More
When Should You Replace the PCV Valve?

By Rick Popely on January 24, 2016

CARS.COM — The positive crankcase ventilation, or PCV, system was one of the earliest emission-control devices used in vehicles. The PCV system draws leftover combustion gases from the cra... Read More
What Are Common Catalytic Converter Problems?

By Rick Popely on January 24, 2016

CARS.COM — Catalytic converters are located in the exhaust system between the engine and the muffler, and they are one of the last lines of defense against air pollution from vehicles. The... Read More
What's Included in a Tuneup?

By Rick Popely on January 24, 2016

CARS.COM — A car tuneup is an outdated service consisting of replacing parts to bring the ignition and fuel systems up to spec for maximum engine performance and efficiency. A traditional ... Read More
How to Tell if a Car Has an Exhaust Leak

By Rick Popely on January 24, 2016

CARS.COM — How can you tell if your car has an exhaust leak? Your ears and nose can alert you to some exhaust leaks, but they may not be able to detect all leaks, including ones that could... Read More
What Are Common Exhaust System Problems?

By Rick Popely on January 24, 2016

By Rick Popely, Cars.com Rust is the No. 1 enemy of exhaust systems, but it is by no means the only one. For example, bottoming out over bumps can cause physical damage to car parts; mufflers ... Read More
When Should the Oxygen Sensor Be Replaced?

By Rick Popely on January 24, 2016

CARS.COM — Modern car engine control systems rely on input from several sensors to regulate the engine's performance as well as its emissions and other vital functions. When these... Read More
Should the Exhaust System Last the Life of a Vehicle?

By Rick Popely on August 12, 2015

CARS.COM — A few decades ago, most car owners could count on having to replace at least part of their exhaust system every five years or sooner. Muffler shops seemed to be doing brisk busi... Read More