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 29, 2026
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: Nov 16, 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: Mar 02, 2025
Exhaust Service at Thomas Auto Service
Driving around Sevierville, 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:
Safel...
Published on: Sep 22, 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: Feb 12, 2022
Simple Answers from Thomas Auto Service for Sevierville: Exhaust Service
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Question:My car failed its emissions test – what do I need to do?Thomas Auto Service Answer:Let's get this out of the way: a leak in your exhaust system could be deadly...
Published on: May 24, 2021
Diesel Emissions Maintenance
You’ve probably noticed a lot more vehicles being offered with diesel engines. Diesel is a very popular choice in much of the world. North America is just starting to close the gap b...
Published on: Sep 21, 2020
Exhaust
We've all heard a car or truck in our Sevierville 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....
Published on: Aug 14, 2018