Capitol Tire & Service
5610 Odana Road, Madison, WI 53719 608.271.9009

Engine and Exhaust

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Why did my vehicle fail its emissions test?

We all want to breathe clean air and keep our planet green.  One of the ways to do that is by requiring all vehicles with internal combustion engines to pass an emissions test.  That’s...
Published on: Mar 02, 2025

Making Sense of the O2 Sensor (Oxygen Sensor Replacement)

As you know, today’s vehicles rely on a lot of computers in them to keep them running clean and efficiently.  Those computers depend on information delivered by several sensors throughout t...
Published on: Jan 05, 2025

Catalytic Converter Replacement

Many of us have become aware of how important it is to keep our planet’s air clean, and your vehicle has a key component that helps do just that: the catalytic converter.  It’s in the...
Published on: Feb 26, 2024

Oxygen Sensor

Many people hear the term “oxygen sensor" and figure it must have something to do with sensing oxygen. But they don’t really know much beyond that. Let’s break it down; your vehicle ...
Published on: Jun 14, 2022

The Test Your Vehicle Can Fail (Emissions Tests)

Clean air quality is something that helps all of us thrive here on Planet Earth.  And considering that motor vehicles are a contributor to air pollution, emissions tests in the U.S. and Canada ar...
Published on: Jun 10, 2022

Exhaust

We've all heard a car or truck in our Madison neighborhoods that needs a new muffler. But there's more to the exhaust system than just the muffler.{{ image('https://s3.amazonaws.com/www.autonettv.com/...
Published on: Apr 19, 2021

EGR Valve

It is pretty amazing how auto makers have been able to consistently build more powerful engines in vehicles that get better fuel economy while at the same time meeting increasing environmental standar...
Published on: Aug 17, 2020

Exhaust Service at Capitol Tire & Service

Driving around Madison, we've all heard a car or truck that needs a new muffler. But there's more to the exhaust system than just the muffler. The exhaust system has three main functions: Safely ge...
Published on: May 16, 2018