Automobile Diagnostics
3180 Washington St, Columbus, IN 47201 812.372.7396

Engine and Exhaust

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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: Jan 04, 2026

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: Nov 09, 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: Feb 09, 2025

Exhaust Service at Automobile Diagnostics

Driving around Columbus, 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 g...
Published on: Jul 07, 2024

Simple Answers from Automobile Diagnostics for Columbus: Exhaust Service

{{ image('MzQy') }} Question:My car failed its emissions test – what do I need to do?Automobile Diagnostics Answer:Let's get this out of the way: a leak in your exhaust system could be dea...
Published on: Dec 14, 2021

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: Dec 30, 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: Nov 17, 2018

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: May 28, 2018