Tagdiesel engine

Searching for diesel engine info? Check out all the diesel engine related articles here on the NAPA Know How blog. We’ve got Know How for all!

A GMC 2500 HD Duramax 6.6 turbo diesel engine.

Posted November 10, 2021 Know How

First Diesel Truck? Here Are a Few Things To Know

Congratulations, you’ve bought your first diesel truck. Learn how diesel engines provide more torque and better gas mileage than gasoline-powered trucks.

Posted July 9, 2021 Maintenance

Tips For Your First Diesel Oil Change

A diesel oil change is much the same as the process for a gas-powered vehicle, but there are a few key differences to keep in mind.

Posted November 19, 2020 Maintenance

5 Steps to Replace a Diesel Fuel Filter

A diesel fuel filter ensures that your engine is always receiving clean fuel. Here’s how to replace your vehicle’s diesel fuel filters.

Posted June 30, 2020 Know How

What’s the Best Battery for Diesel Trucks? 3 Tips for Choosing the Right One

The best battery for diesel trucks isn’t always easy to choose. Check out these three helpful tips for finding the best battery for you.

Posted May 25, 2020 Know How

Fuel Choices: A Look At The Pros and Cons of Driving On Diesel Fuel

Diesel is a petroleum-based fuel, derived from the same crude oil as gasoline. When distilled, the lighter fuel becomes gasoline and the heavier fuel is made into diesel. Because diesel is denser than gasoline, it provides more energy, or specifically better fuel economy, per gallon. But it does also have some drawbacks…

Cutaway of an engine cylinder head and block

Posted April 28, 2020 Maintenance

How to Clean Diesel Injectors

It’s important to know how to clean diesel injectors. Follow these steps to optimize your car’s performance.

Rusty diesel fuel gauge against a green background

Posted April 23, 2020 Know How

Why Do You See Black Smoke From Diesel Engines When Accelerating?

Seeing black smoke from diesel engines when accelerating is normal but can be avoided. Discover why this pollution happens and what you can do about it.

Posted February 24, 2020 Know How

At What Temperature Does Diesel Fuel Gel?

At what temperature does diesel fuel gel? Without preparation, your diesel-powered vehicle isn’t going anywhere this winter. Here’s how to combat gelling.

Posted February 4, 2020 Know How

I Accidentally Put DEF Fluid in a Fuel Tank. Now What?

Accidents happen. You’re not the first person to put DEF fluid in a fuel tank. Here’s what to do to help your vehicle recover.

A diesel glow plug warmer works to improve starting and lower emissions in diesel engines.

Posted December 30, 2019 Know How

How A Diesel Glow Plug Improves Starting and Lowers Emissions

Diesel fuel ignition is highly dependent on temperature. Learn how a glow plug warmer can make cold starting easier and reduce emissions.