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Fuel Pump U is your resource for top quality information just as you’d expect from Airtex Fuel Delivery Systems whose design and manufacturing philosophy is to meet or exceed OE specifications.

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03.27.2015
Checking the Inertia Switch on Ford Vehicles

The inertia switch is a safety item incorporated by Ford in the fuel system of its vehicles. The only time the inertia switch should trip is during a collision.

03.27.2015
Simple Solutions To Minor Ground Connection Issues

Performing a voltage drop test and you find the ground side shows a high resistance or high voltage drop, one of the first places to check is the ground location on the vehicle. Look at your wiring schematic manual to determine where the ground is for your particular vehicle. Video Demostration Included!

03.27.2015
10 Signs A Fuel Injector Needs To Be Replaced

In the past 30 years, the fuel injector has moved from the intake manifold to the combustion chamber. During this evolution, injectors have become more precise in dispensing fuel. If this precision is thrown off by restrictions, electrical problems or fuel problems, it can cause drivability issues.

02.27.2015
The Best Tests For Fuel Delivery Systems

The ancient Greek philosopher Heraclitus said that there is nothing permanent except change. Greek history aside, it’s easy to spot change in our current market because vehicle fuel delivery technology has evolved to include conventional, pulse-modulated and direct fuel injection fuel delivery systems, with each having a specific set of components and testing issues. In this article, I’ll explain how the basics of testing fuel delivery problems has changed and how some of the most common mistakes in diagnosing fuel delivery systems can be avoided.

02.27.2015
Five Things Everyone In The Automotive Industry Should Know About Fuel Injectors

To the layperson fuel injectors are far from sexy, or likely even interesting for that matter. To those in the automotive industry, however, fuel injectors are as glamorous as a car part gets. With that said, not everyone is a genius and automatically knows everything there is to know about the fuel injector. For such reason, here are five things everyone in the auto industry should know about fuel injectors.

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