Fuel Pump FAQ

Fuel Pump FAQ

Useful Information:

Cross-Reference - Fuel pump interchange guide for various manufactures of OEM and aftermarket fuel pumps.
Fuel System Abbreviations - Definitions of terms used throughout the FuelPumps.com website.
Why Fuel Pumps Fail - Recommendations on how to greatly increase the lifespan of your fuel pump.

Fuel Pump Installation Guide - Example instructions included with all orders. Actual guide received may differ.

Fuel Pump Troubleshooting FAQ

My car won't start. Do I need to replace my fuel pump?
In most cases, a vehicle's failure to start is usually caused by a faulty, battery, alternator, starter, or fuel pump. If the first three of these parts are determined to be working properly, have someone listen for a vibrating sound that the fuel pump should make near your gas tank when your engine is running. In some vehicles you may be able to hear this sound better by turning the ignition key barely enough to start the engine. If there is no fuel pump noise coming from the gas tank or the sound is very week, chances are that it's time to replace your fuel pump.
 
My car is jerking while accelerating. Do I need a new fuel pump?
If it's not your engine's tuning, jerking is usually the result of a faulty fuel pump. Follow the same procedure above to listen for the fuel pump.

Fuel Pump Product FAQ

What fuel pump flow rate (LPH) and pressure is suitable for my application?
FuelPumps.com only sells fuel pumps which meet or exceed the manufacturer's recommended flow and pressure. Sending a larger flow of fuel throughout your fuel system will never harm your engine and may actually help your vehicle in several ways. Your fuel injectors and fuel pressure regulator will only allow what is needed to travel into your engine's intake manifold, usually sending back approximately 95% of the fuel from your fuel pump, directly back to your fuel tank via the fuel return line. This helps cool down your gas as well as fragile vehicle components as the fuel passes through.

What is a fuel pressure regulator?
A fuel pressure regulator (FPR) controls the amount of fuel that goes into the intake manifold via the vacuum line after it passes through the injectors.

My application is not listed. Do you have a fuel pump that will work with my car?
Walbro Engine Management and FuelPumps.com are constantly researching and developing new and popular applications to be added to our catalogue. If your vehicle is under 25 years old and you would like to request an immediate evaluation of it's suitability for our in-tank fuel pumps, please contact us with your application details (year, make, and model). In the event that a in tank fuel pump is not determined suitable for your vehicle, we also carry a full line of Walbro inline fuel pumps that are universal to all vehicles.

How long do your fuel pumps last?
Walbro fuel pumps should last 10 or more years. Please read our "Why Fuel Pumps Fail" guide for useful information on how to greatly increase the lifespan of your fuel pump.

What is so great about Walbro fuel pumps compared to other fuel pump manufactures?
All Walbro fuel pumps are manufactured in the USA. Walbro has produced over 20 million original equipment fuel pumps for many automakers. Each Walbro electric fuel pump is developed using the latest computer-aided-design techniques and tested for durability under a variety of conditions, ensuring they will stand up to real-world abuse. Each Walbro fuel pump is fully tested before shipping, assuring of top performance, reliability, and customer satisfaction. Each Walbro fuel pump is manufactured with patented gear rotor technology (U.S. patents 4,500,2700 and 5,421,306) allowing for advanced flow of fuel at an affordable price.

What kind of warranty do your fuel pumps have?
All Walbro fuel pumps come with a one year manufacturer's warranty. FuelPumps.com will immediately replace any faulty fuel pump which saves time and hassle of our customers dealing with the manufacturer directly.

Fuel Pump Installation FAQ

Can I replace my fuel pump myself?
It is highly recommended that you have a professionally licensed mechanic install your fuel pump. If you are on a low budget or a vehicle enthusiast learning to gain knowledge of the fuel system, many applications have their fuel pump accessible from under the trunk's carpet. Detailed instructions and installation guidelines are included with all fuel pump orders. Please note that malfunctions due to improper installation may void the manufacturer's warranty. If your fuel tank must be removed to access the fuel pump, it is extremely important to have it replaced by a licensed mechanic.

What do the included Walbro fuel pump installation instructions look like?
We have converted an example Walbro fuel pump installation guide which is included with all fuel pump kits. Installation instructions received may differ depending on the fuel pump kit.

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