Auto Fitness
2800 BROWNS BRIDGE RD GAINESVILLE, GA 30504 | 678.971.1701

Engine and Exhaust

Alt + /

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: Nov 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: Aug 25, 2024

Simple Answers from Auto Fitness for GAINESVILLE: Exhaust Service

{{ image('MzQy') }} Question:My car failed its emissions test – what do I need to do?Auto Fitness Answer:Let's get this out of the way: a leak in your exhaust system could be deadly. If GA...
Published on: Feb 21, 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: Nov 22, 2023

Exhaust Service at Auto Fitness

Driving around GAINESVILLE, 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: Oct 23, 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: Dec 23, 2021

Exhaust

We've all heard a car or truck in our GAINESVILLE 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 09, 2019