Guthrie's Auto Service Inc.
144 COUNTY ROAD 1435 CULLMAN, AL 35058 256.739.1690

General / Misc

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The 20.9 Percent Factor (Oxygen Sensor)

Do you know what gas makes up 20.9% of the air we breathe? It's oxygen.   Oxygen is an important part of the combustion process that enables your engine to make power.  The amount of ox...
Published on: Dec 15, 2024

Slippery as Ice (Driving on Wet Leaves)

We all know driving on slippery ice can be dangerous.  What you might not know is that wet leaves can be just as slick. If you live in an area that has trees that drop their leaves, or if you're ...
Published on: Dec 01, 2024

Steamed Up (Vapor Coming Out of Vents)

Sometimes you may notice a little steam or vapor coming out of your vehicle's vents when running the air conditioning or heater.  Is this something about which you need to worry? The answer is i...
Published on: Dec 03, 2023

A Few "Key" Facts (Ignition Key Issues)

You expect your key to turn in your vehicle's ignition.  But sometimes it won't, and that's a problem, whether you're trying to start your vehicle or trying to leave it.  Several things can...
Published on: Sep 12, 2023

MAF Sensor

Air and fuel are mixed together to be burned in your engine. You request how much of each you need by how hard you press on the accelerator, by going up or down a hill or by how much you are carrying ...
Published on: Aug 18, 2023

TSB, not USB

You probably know that USB is a computer term (it stands for Universal Serial Bus). But do you know what a TSB is? You should, because it could be important for your vehicle. A TSB is a Technical Ser...
Published on: Jun 04, 2023

Will Proper Auto Maintenance at Guthrie's Auto Service Inc. Really Save Gas?

{{ image('MzAy') }} Have you ever thought about all the little things we do to keep our lives running smoothly - like vacuuming? It makes a room feel fresher and more comfortable. We may not consider...
Published on: May 30, 2023

The Pros of Pros (Let Us Do It For You)

Modern vehicles usually have four wheels, a steering wheel, and an engine, just as they have for decades.  But an awful lot has changed since the days of carburetors and drum brakes.  The ad...
Published on: Feb 20, 2023