Hewitt's Auto Service
340 GRANITE ST YARMOUTH, Maine 04096 | (207) 846-4366

Engine and Exhaust

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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: Feb 09, 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: Aug 30, 2022

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: May 13, 2020

Exhaust Service at Hewitt's Auto Service

Driving around , 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 get hot e...
Published on: Dec 26, 2018

Exhaust

We've all heard a car or truck in our 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/mediana...
Published on: Nov 13, 2018

Simple Answers from Hewitt's Auto Service for : Exhaust Service

{{ image('MzQy') }} Question:My car failed its emissions test – what do I need to do?Hewitt's Auto Service Answer:Let's get this out of the way: a leak in your exhaust system could be dead...
Published on: Dec 08, 2017

Exhaust

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: To safel...
Published on: Dec 15, 2016

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: Apr 07, 2016