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Avoid These 5 Fuel System Diagnostic Errors

 As auto manufacturers keep striving to improve car engines and their fuel burning efficiency, fuel systems incars keep getting more and more complex. A phenomenon that's arisen as a result of these innovations is that fuel delivery issues are being misdiagnosed. In some cases, technicians have been returning brand new fuel pumps thinking they are defective, when in fact the actual cause of the issue was a defective fuel pump relay or crankshaft sensor. Read More

6 Factors That Affect The Fuel Pressure In Fuel Pumps

To have proper delivery of fuel at correct flow rates and pressure from gas tank to fuel injectors it is essential to maintain steady gasoline supply in the fuel lines. Proper fuel delivery is essential for maintaining good engine performance.Read More

Finding the Correct Fuel Pump for Specific Applications

It is important the correct fuel pump replacement is sold and installed in the specific applications. There are several factors that are important considerations in looking up the application-specific fuel pump. Also, GM uses several different in-tank sender assemblies for the same make and model of vehicles. Read More

Choosing Between Mechanical Fuel Pump And Electric Fuel Pump

The purpose of fuel pump in an automobile is to deliver fuel from the gas tank to the fuel injector or carburetor at the necessary pressure. Fuel is drawn from the fuel tank and is propelled into the internal combustion engine through a fuel pump where the combustion of fuel occurs with air. Regardless of the external conditions, a fuel pump has to facilitate the delivery of right amount of gasoline from the tank to the engine through a fuel line at a specific pressure. In automobile engines, some fuel pumps are mechanically operated with low pressure fuel distribution, whereas others are electric pumps that push the gasoline to the engines at higher pressure.Read More

Is Your Fuel Pump Going Bad?

There are several warning signs that your fuel pump may go bad before it actually does.

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Some Fuel Problems Are Electrical Problems.

When an engine is running poorly or not at all, there's a tendency to blame the gas. Either it's “bad gas” or a bad fuel pump.

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Why Fuel Pumps Fail

As winter approaches, it’s good to note that one of the leading causes of fuel pump failure is running on a low fuel tank, especially in cold weather.

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Fuel System Diagnostics for Successful Fuel Pump Installation

Misdiagnosis is the leading cause of fuel pump problems and returns.

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How to Change a Fuel Pump: The Basics

Changing a fuel pump is a fairly simple task for most shade-tree mechanics. However, in addition to mechanical know-how, the job requires the willingness to get a little messy.

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Electric Fuel Pump Testing

Most vehicles with fuel injection utilize an electric fuel pump located in the fuel tank to supply sufficient volume and pressure to the injectors. Fuel is under pressure as it enters the fuel injector.

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Prevent Fuel Pump Failures Caused by Contaminants

 One of the main causes for fuel pump failures is contaminated fuel. Visible and invisible contaminants can damage the new fuel pump.

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Looking After the Fuel Pump Strainer

When you remove an electric fuel pump from a gas tank you'll notice a filter or sock on one end. This is what's called the "strainer." It might look like an afterthought, but it's an essential part of the fuel delivery system.

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Is It Really Fuel Pump Failure?

It is important to check everything else before you do a costly and perhaps unnecessary fuel pump replacement. Look for electrical problems, bad wiring, a short, split hoses, a vacuum leak or a clogged fuel filter.

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Dissecting an Electric Fuel Pump

When you order a fuel pump for your vehicle, you may be surprised to see it in a huge box. That is because you must replace the entire fuel pump module or hanger instead of just the fuel pump. Some units are “open” so you can see the pump, sock, filter and wiring; and some of “closed” so you see a large plastic cylinder.

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