Although electric golf carts are becoming more and more popular throughout the world today, many people still use gas-powered options.

These carts have more power and often last longer than electric carts, depending on how well you maintain their engine and their overall design.

And one of the most common parts that you’re likely to have to change or repair is the fuel pump.

This simple guide should help you out there.

STEP-BY-STEP GUIDE

Now that you have a better understanding of how your pump operates, we decided it was a good idea to create a basic chart that shows you the exact step-by-step process in order.

Doing so should give you a handy guide to the rest of this article and give you stronger insight into your cart’s operation:

Step One – Press the foot pedal to dictate the speed of your engine

Step Two – Engine speed changes the pressure produced by the pistons

Step Three – Pressure from the cylinders is gathered by the crankcase

Step Four – Crankcase pressure passes through a vacuum line to fuel pump

Step Five – The “pulse” in the fuel pump causes vibrations in the pump diaphragms

Step Six – Diaphragms pull fuel into the inlet chamber

Step Seven – Diaphragms push fuel out into the engine

Step Eight – Process repeats, as needed, while you drive

Read through this section, if required, to better understand the operation of your pump.

You may even want to print it out and hang it up in your cart shed as a reference guide.

That’s because many common problems may impact how well your pump operates and which can be rather hard to manage without fully understanding every step of this part’s operation.

PROBLEMS WITH FUEL BREAKDOWN

This issue is something you’ll probably notice if you let your golf cart sit too long.

Gasoline isn’t designed to sit indefinitely in an engine and can start to evaporate.

As a result, you can lose gas from your cart’s fuel pump even as it sits.

However, this problem is nowhere near as concern as oxidation.

This occurs when oxygen starts getting into your fuel system and causing the gas to thicken up.

The rather descriptive, if not technical, term that many mechanics use here is “gumming up.”

Your gasoline can end up turning into a brown gel that sticks in your pump and refuses to come out.

As a result, you may need to open up your pump very carefully and scrap out this residue.

Typically, you’ll need a screwdriver and a brush to perform this simple repair procedure.

Start by opening up the sides of the pump very carefully, making sure to keep the screws you remove in a safe place.

As you pull your pump sides apart, you’ll see the “gummed” and caked fuel throughout the pump’s mechanics.

Use your break to break it apart, if possible, and place it in a durable container.

Remember – this gunk is still gasoline and can be dangerous and even explosive.

As a result, you may want a mechanic to perform this step for you.

DUST AND DIRT IN THE ENGINE

You probably keep your gasoline pretty clean in your golf cart.

Many people store their gas in sealed containers protected from the environment.

Others try to clean their cart’s engine regularly to avoid the potential for seriously dirty fuel.

However, this problem can occur and cause real damage to your pump.

For example, dirt can “gum up” your gasoline and cause it to become sludgy and hard to run.

And if you let it sit for too long, it can also thicken even further.

How does this dirt get in the engine?

Usually, when riding on dirt roads, fields, or across various types of areas.

Thankfully, your fuel filters should collect most of this dirt and make this problem less of an issue.

However, if you let your filters get too dirty, your pump is going to suffer.

As a result, you need to make sure to change your filters once every couple of months to keep them squeaky clean.

ETHANOL PROBLEMS

Like most cart owners, you probably get your gasoline from a gas station.

That’s understandable – what works for your car works for your cart, right?

Well, yes and no.

Unfortunately, all gasoline sold at gas stations uses a small percentage of ethanol.

And ethanol attracts water which, if you let your golf cart sit too long, may end up in your fuel.

This water can spread rapidly throughout your cart’s fuel pump and cause rust and other long-term issues.

As a result, you need to make sure that you find gas that does not have ethanol.

You might be surprised to know that this type of gas is available.

Typically, you can find it at marinas – as boats usually run without ethanol gas – or at some home improvement stores.

Research your area to see which sells this gas and try to focus on using it instead.

Don’t worry, though – your cart’s engine can use ethanol gas if you can’t find any non-ethanol gasoline.

However, you must make sure that you use all of the gas before you store your cart.

If you haven’t, run the cart until it is entirely out of gas to ensure its engine and fuel pump are safe.

And if you want to be extra careful, contact a golf cart repair shop to have them draw fuel out of your engine even more.

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