Tagfuel system

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

Posted January 3, 2020 Know How

Flow Control: How Does A Fuel Pressure Regulator Work?

What is a fuel pressure regulator? Essentially, it’s a vital component of your vehicle’s engine management system. Learn why it’s so important.

Fuel injectors on a diesel engine. Many factors influence an engine's needs for power, which vary each time you get behind the wheel.

Posted December 13, 2019 Know How

How Does Direct Fuel Injection Work?

There have been different fuel delivery methods throughout time, becoming more efficient as technology progresses. So, how does direct fuel injection work?

Under the hood. Sea Foam not only improves performance, it can even help extend the life of your car.

Posted November 18, 2019 Maintenance

Is It Time to Sea Foam Your Car?

Knowing when to Sea Foam your car may help you extend the life of your vehicle’s fuel system. Learn the many benefits of this fuel additive.

Injectors in a GDI engine. In a GDI engine, injectors send fuel directly into the combustion chamber.

Posted November 12, 2019 Know How

Let’s Talk Gasoline Injection: What Is GDI?

When it comes to gasoline injection, do you know what GDI is or how it differs from other types of fuel injection systems? Learn more here.

Posted November 7, 2019 Know How

What Is A Fuel Pressure Regulator?

Fuel pressure regulators are a vacuum operated spring-loaded diaphragm that enables a vehicle’s fuel delivery system to maintain a constant pressure. When the vehicle is at idle the regulator is … Continue Reading What Is A Fuel Pressure Regulator?

Start engine button on a car. An engine needs oxygen and fuel to run. A faulty fuel filter can stop your engine from getting enough gasoline and could possibly stop it from starting.

Posted March 29, 2019 Maintenance

Can a Fuel Filter Stop a Car From Starting?

Can a fuel filter stop a car from starting? The short answer is yes! Here’s how a fuel filter works and how a faulty one can stop your car from running.

Have a diesel-powered car? Here's why a good diesel fuel additive is necessary to keep your engine running smoothly.

Posted January 2, 2019 Know How

Should You Use a Diesel Fuel Additive?

Is a diesel fuel additive a necessity for diesel-powered cars? While not a requirement, here are the benefits of an additive for diesel vehicles.

A push-button start in a modern car. Here's the full lowdown on stop-start systems.

Posted December 11, 2018 Know How

Stop-Start Technology — Pros and Cons

The worst thing about stop-start technology might be all in your head, but what is idle-stop or SST on a conventional or mild hybrid vehicle?

Posted November 26, 2018 Know How

Know-How Notes: How To Cut Braided Hose

Nothing says horsepower like an engine compartment dressed with stainless steel braided hoses. Of course, nothing hurts like stabbing your fingers with the frayed edges of a braided hose. The … Continue Reading Know-How Notes: How To Cut Braided Hose

A car dashboard shows an odometer and fuel measurements. Driving with the gas light on can cause damage.

Posted November 13, 2018 Know How

Range Anxiety: Is Driving With the Gas Light on Really That Bad?

Driving with the gas light on might not seem like a big deal, but doing so consistently may eventually cause serious problems.