Southern Tire & Auto
3060 Old Washington Rd, Waldorf, MD 20601 301.6451411

Engine and Exhaust

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Gasoline Direct Injection

{{ image('MzU0') }} Question:My new car has a “GDI” engine. What does that mean to me and other Waldorf vehicles with this new type of engine?Southern Tire & Auto Answer:GDI stands for Ga...
Published on: Aug 20, 2023

Fuel Saving Tip from Southern Tire & Auto: Gas Cap

This fuel saving tip for Waldorf residents is so simple you won't believe it. It has to do with your gas cap. The first thing is to make sure it's screwed on tight. If it's loose, gas vapor will be co...
Published on: May 23, 2023

Fuel System Service at Southern Tire & Auto

Today's 
Southern Tire & Auto post contains a quick overview of the fuel system. It starts with the fuel tank. The fuel pump is located inside the tank and pumps fuel out to the engine. Somewhere alon...
Published on: Jan 05, 2023

Diesel Engines

{{ image('MzU0') }} When someone mentions diesels around Waldorf, images of smoky, rattly trucks may spring to mind. The fact is that the modern, clean diesel engine is much more refined than in the ...
Published on: Nov 18, 2022

Your Nose Knows Gasoline

Each time we fuel up our vehicles, we get a little whiff of gasoline, so the smell is very familiar. There shouldn’t be any gasoline smell in or around your vehicle when you are away from the ga...
Published on: Apr 03, 2021

E85 Fuel Safety For Waldorf Drivers

This automotive safety warning is coming from a very unusual source: fire fighting experts. You’ve probably heard of E-85 gasoline.  Some newer vehicle models are specifically built to run ...
Published on: Sep 26, 2020

Fuel Saving Tip: Fuel System Cleaning at Southern Tire & Auto in Waldorf

A lot of gas is wasted in dirty fuel delivery systems.  Let’s start at the tank.  The gas tank gathers of dirt, rust and sediment over the years.  That’s why there’s a...
Published on: Jul 27, 2020

Time To Take Another Look at Diesels

{{ image('MzU1') }} If you haven't looked into diesel engines lately, you may be interested in today's post. Why should you care about modern diesel engines? Fuel efficiency, for starters. Because di...
Published on: Oct 25, 2019