Davidson

Engine and Exhaust

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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: Jan 18, 2026

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: Nov 30, 2025

Exhaust Service at Davidson

Driving around CHARLOTTE, 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 ...
Published on: Nov 03, 2023

Diesel Exhaust Fluid

Diesel engines are appearing in more and more vehicles in nearly every category from compact cars to pick-up trucks to high-performance luxury vehicles.  In much of the world, 40% or more of pass...
Published on: Sep 15, 2023

Simple Answers from Davidson for CHARLOTTE: Exhaust Service

{{ image('MzQy') }} Question:My car failed its emissions test – what do I need to do?Davidson Answer:Let's get this out of the way: a leak in your exhaust system could be deadly. If CHARLO...
Published on: Aug 10, 2020

Exhaust

We've all heard a car or truck in our CHARLOTTE 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.co...
Published on: Aug 27, 2018

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: Jul 31, 2018