How to fix EZGO Marathon golf cart that backfires
- Open the air/fuel adjustment screw by an extra 1/4 turn or a little more.
- Loosen the idle adjustment screw of the throttle plate to the maximum extent possible.
- Do a cable/linkage adjustment if the carburetor butterfly moves before you hear the clicking sound of the microswitch.
Why does my golf cart backfire when I start it?
Golf Cart Backfires Because Of A Carbon Buildup On Piston/Valves Another possibility (though less likely) reason for your golf cart backfiring can be a buildup of carbon on the piston, also known as coke. This material glows red hot after the engine runs for a while and ignites the fuel without the spark plug being turned on.
How do you stop a golf cart from backfiring?
One simple way to stop the golf cart from backfiring is to use good quality fuel. Once this is done, ensure that the throttle plate is closed by adjusting the accelerator cable at the plate. The following are some ways EZGO TXT golf cart owners have stopped backfiring in their carts.
How to stop backfiring club car DS and precedent golf cart?
The following are some ways to stop backfiring Club Car DS and Precedent golf carts. Identify the faulty fuel pump, filter or tank, microswitch, spark plug or rev limiter and do the required replacement or repair. This is a good chance to clean the dirty parts as well. Clean the blocked air filter that is accumulated with dust and dirt.
Why does my golf cart keep cutting off?
Sometimes, one or both of the batteries could be dead making the cart cut off. Ensure that both the batteries are working fine and have enough water and electrolytes. If the batteries are dead, then replacing them will solve the issue.
What would make a golf cart backfire?
In almost all cases, whether it is a 2 cycle or 4 cycle engine, golf cart backfiring is caused by the accelerator cable being out of adjustment at the throttle plate of the carburetor. This problem has a relatively simple cure.
Why does my golf cart backfire when I let off the gas?
The golf cart backfires when you let off gas is because the carburetor butterfly isn't getting closed completely. Air suction from the exhaust gasket is another possible cause. Checking the carburetor and adjusting the return spring to its original position so that the carburetor is closed solves the problem.
How do I adjust my EZ GO carburetor?
2 Cycle engine: The adjustment screw is on the side of the carburetor and is parallel to the ground. You can identify it by the lock nut at the base of the screw. Loosen this and turn the screw all the way into a soft seat, then back it out one and a half (1-1/2) turns.
What causes a gas golf cart to surge?
A golf cart can be surging due to insufficient fuel levels, damaged motor brushes or a vacuum leak. The brushes in the motor are damaged or worn out. The MCOR is malfunctioning or a mismatch between the motor and controller results in torque bumps.
What causes a golf cart to sputter?
Golf carts can spit and sputter for several reasons, but mainly due to worn out spark plugs or dirty filters inside the fuel system. There might be something wrong with the fuel system of your cart. You could be having a spit and sputter problem because the filter, pump and injectors in your golf cart are very dirty.
How do you adjust the carburetor on a golf cart?
Find the pilot adjustment screw on the edge of your carburetor. Pay attention to this screw – it should be a sharp point and not flat. Carefully remove this screw and then carefully screw it back. Turn this screw out one and one-half turns to adjust it properly.
How do you adjust an ezgo valve?
5:2111:54EZ GO Golf cart valve lash adjustment - YouTubeYouTubeStart of suggested clipEnd of suggested clipI'm adjusting the clearance between the valve and the rocker arm. Okay. So you screw that in until.MoreI'm adjusting the clearance between the valve and the rocker arm. Okay. So you screw that in until.
How do you adjust the throttle on a EZ Go golf cart?
Loosen the throttle cable present in the cable box to adjust the extent to which you can take it out of the housing. Press the accelerator so that the golf cart starts up and begins to idle. Check the cable tension to make sure that it's still loose. The idle screw can be used to adjust the idling if it's very fast.
How do you adjust the governor on a EZ Go golf cart?
0:545:06How to Adjust an E Z Go Golf Cart Governor - WikiVideo - YouTubeYouTubeStart of suggested clipEnd of suggested clipTake off the plastic cover and set it aside with the seats. Follow the thickest cable coming fromMoreTake off the plastic cover and set it aside with the seats. Follow the thickest cable coming from the gas pedal until your find a small spring wrapped around a metal rod. This is the governor.
What does engine surge sound like?
Moreover, it's common for you to hear some noises coming from your engine during car surges. These noises usually sound like popping and backfiring. In some instances, your car's engine might simply sound different than usual.
Can bad gas cause surging?
If an engine is not getting enough fuel (this is called “running lean”), due to fuel pressure (regulated by the fuel pump and regulator), restricted fuel injectors, a vacuum leak or really anything that throws off the fuel mixture going in to the engine, this can cause the surge.
What is a golf cart MCOR?
What is an MCOR in a club car? The throttle device of any club cart is known as MCOR or motor controller output regulator. As the foot pedal is pressed, the impulse is read by the electric motor and works accordingly. Four types of MCOR are fitted with different models of club cart manufactured in different years.
Why does my golf cart backfire?
A golf cart backfires through the carburetor because of an open throttle plate. The accelerator cable at the plate is out of adjustment and in turn, stops the plate from closing when the microswitch makes contact with the ignition. The accelerator cable moves through the throttle plate before the click but the plate cannot do so.
How to stop a Yamaha G16 golf cart from backfiring?
The steps below can stop a Yamaha G16 golf cart from backfiring. Replace the plastic manifold spacer between the carburetor and head if it’s cracked. Also, replace a leaky exhaust pipe or gasket. Loosen the big mixture screw which may be very tight, by a few turns. Often, you’ll not need to turn more than 1-1/2 turns.
Carburetor
More often than not, golf cart backfiring is caused by the throttle plate inside the carburetor being slightly open. This allows fuel to flow into the cylinder before the ignition system is activated to produce a spark for combustion.
Accelerator Cable
In almost all cases, whether it is a 2 cycle or 4 cycle engine, golf cart backfiring is caused by the accelerator cable being out of adjustment at the throttle plate of the carburetor. This problem has a relatively simple cure.
Adjustment
For proper symbiosis between the fuel and ignition systems, the accelerator micro switch must click BEFORE the throttle lever of the carburetor moves. The accelerator cable may move through the plate, but the plate itself cannot move prior to the micro switch click.
What is Backfiring?
Backfiring is when the combustion inside of the engine experiences an issue that makes it combust incorrectly. The result? An explosion occurs in the exhaust pipe, not inside of the engine as it should. This can cause damage to your clutch, piston rods, and even valves if you’re experiencing backfiring on a regular basis.
What Causes Backfiring on a Gas Golf Cart?
There are a number of reasons why your gas golf cart is backfiring. Some of the common causes of backfiring are:
Gas Golf Cart Parts Explained
Before we get into how to fix your backfiring issue, let’s go over some of the important parts of your gas golf cart that you’ll need to be familiar with.
How Can I Fix My Backfiring Issue on my Golf Cart?
Typically if your backfiring issue isn’t something major, it’s usually a good idea to simply replace parts that are worn out or broken. This includes spark plugs, throttle plates, accelerator cables, and more. If this doesn’t work, you can always adjust parts such as your piston rods and throttle plate for perfectly matched air and fuel mixes!
Still backfiring? Try these other solutions!
If you’re still having issues with your cart backfiring after following all of these steps, it’s possible that there is something wrong deeper within the engine. The next step would be to try a few other solutions listed below:
Why does my golf cart keep powering off?
If the cart starts powering off after a new installation, then you will know that the issue is caused due to errors with the installation.
Why does my golf cart cut out?
Another reason why golf carts can cut out is due to problems with the battery voltage or water levels.
How to check battery water level in golf cart?
How to Check Battery Water Levels in a Golf Cart. Check if the voltages in both the batteries are at the designated levels. Also, if the water in the batteries has dried up, it could cause this issue. Check for the electrolyte and water levels in the batteries. Make sure that you are not overcharging or undercharging your batteries as these could ...
Why does my cart have a loose solenoid?
If the connections from the solenoid have become loose or if there is some other loose contact, the cart might behave in this manner. It can also be caused by a faulty motor or a faulty key switch.
What happens if you charge your golf cart?
You would have charged up your cart fully but after driving it around for an hour or two, the power would have got drained off completely. If this is a frequent occurrence with your cart, then you will need to take a look at the batteries.
Can you fix a golf cart on your own?
Under NO circumstances should you attempt to fix your golf cart on your own. Doing so is dangerous and could result in serious bodily harm. The information on this website has not been verified for accuracy and should only be used for general information purposes only. Use this information at your own risk.
Is my speed sensor broken?
There is a magnet associated with the speed sensor. Sometimes your speed magnet may be broken but will still be clinging on; only being held by the screw. Unfortunately, you may not realize it is broken until you take the mechanism apart. The speed sensor may not even show any issues. Check if the magnet is broken and if it is, ...
