Chieftain Main Shell Inc
215 West Main Street, Logan, OH 43138 - (740) 385-9924 - Old Fashioned Service . . . With New Technology

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: Jul 21, 2024

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 31, 2024

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: Jan 11, 2022

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: Oct 20, 2021

Simple Answers from Chieftain Main Shell Inc for Logan: Exhaust Service

{{ image('MzQy') }} Question:My car failed its emissions test – what do I need to do?Chieftain Main Shell Inc Answer:Let's get this out of the way: a leak in your exhaust system could be d...
Published on: Jan 25, 2021

Exhaust

We've all heard a car or truck in our Logan 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/me...
Published on: Jun 28, 2020

PCV Valve Replacement at Chieftain Main Shell Inc in Logan

The PCV valve is a little, inexpensive part that does a big job for Logan and our environment here in Ohio. PCV stands for Positive Crankcase Ventilation. The crankcase is the bottom ar...
Published on: Jun 19, 2020