Tips Sahabat

3 Ways to Properly Adjust Your Car's Carburetor for Better Fuel Efficiency

10 April 2025
cara menyetel karburator mobil

As one of the components that influence the fuel system, carburetor tuning is very important. 

Incorrect tuning can result in suboptimal carburetor performance, even making you consume more gasoline. 

Therefore, it is important to perform regular tuning on your vehicle, here is how to properly tune a car carburetor.

1. Prepare the Tools

Since the carburetor is located inside the car engine, you need to prepare several tools before tuning. 

The tools you need for tuning this part are actually quite simple, including a flat screwdriver, pliers, and several sheets of tissue paper.

2. Adjusting the Fuel and Air Mixture

After preparing the necessary tools, you need to ensure that the car engine is off to make the tuning process safe. Then open the hood and find the air filter. 

Next, unscrew all the screws and remove that part. The location of the air filter varies, depending on the type and brand.

Once the air filter is open, the next step in tuning the car carburetor is to find the adjustment screw, which is usually located at the front of the carburetor. 

Generally, you will find two screws, one for adjusting air and another for adjusting fuel on the vehicle. 

You can adjust the amount of fuel and air mixture with these two screws. Use a screwdriver to turn the screws left and right within the carburetor. Then start the car engine at normal temperature.

You can check it on the temperature gauge. Listen carefully to the engine sound, so you can achieve the best tuning.

A low fuel and air mixture will be indicated by a pinging sound from the engine when the RPM is high. In fact, an engine rich in fuel and air mixture also has a sound that is not much different, but you can smell it and then reduce the fuel mixture.

The next step in tuning the car carburetor is to adjust both screws, turning them ¼ turn counterclockwise. 

Then tighten the screws until you find that the engine sound is smooth. After tightening the screws, reinstall the air filter in its original position.

Read also: This is the Cause of the Car Engine Dying When Pressing the Clutch

3. Adjusting the Idle Speed

In addition to adjusting the fuel and air mixture, adjusting the idle speed can also be done for a more perfect tuning. 

First, you just need to find the throttle cable and its screw. The method is not much different from tuning the screws for the fuel and air mixture.

Tighten the screw to adjust the throttle, and turn it counterclockwise. After that, listen again to the sound of the car engine; if the sound is still rough, you can repeat the car carburetor tuning process. 

However, make sure you wait 30 seconds for the engine to adapt. Tuning the carburetor may seem a bit complicated, but with a manual book, you can do it yourself at home without having to go to a workshop. 

This proper adjustment can make the car engine sound smooth, and the performance of the carburetor itself becomes more optimal, preventing you from wasting gasoline.

Read also: 7 Important Parts of the Car That Must Be Checked Before Going Home

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