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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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04.07.2015
Troubleshooting Fuel Pumps -- Voltage Drop Test

Misdiagnosis is the leading cause of fuel pump problems and returns. Often, a voltage drop test is the only effective way to find excessive resistance in high amperage circuits. It’s a quick and easy test that will give you immediate results on whether you have a good connection or a bad one.

04.02.2015
Which Fuel Should I Use for My Car?

Many people think that using a higher grade fuel is better, but you should be using the grade recommended by the manufacturer. The short version of the truth is that the higher the octane, the less combustible the fuel is and the slower it burns.

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.

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