This website requires JavaScript.

Everything CNG

Mar 21, 2024

Step by step guide: How to successfully convert your vehicle from petrol to CNG

Understanding the basics of CNG (Compressed Natural Gas) and how it works is crucial before going ahead to convert your vehicle to run on this alternative fuel ...


Automobile Content Creator


Over time, the high cost of gasoline and diesel fuel in Nigeria has led many vehicle owners to consider converting their vehicles to run on CNG. There are several compelling reasons why converting your vehicle to run on CNG is a worthwhile endeavor.

Firstly, CNG is more cost-effective than traditional fuels. With the fluctuating prices of gasoline and diesel, CNG provides a stable and often more affordable alternative. Additionally, CNG engines tend to require less maintenance and have a longer lifespan, resulting in potential savings in the long run.

Another significant advantage of using CNG is its abundance. Natural gas, the primary component of CNG, is found in plentiful quantities in many parts of the world. This accessibility makes it a reliable and readily available fuel source for vehicles.

In this blog post, we will delve into the step-by-step process of converting your vehicle to run on CNG to ensure a successful conversion.

Understanding the basics

Understanding the basics of CNG (Compressed Natural Gas) and how it works is crucial before going ahead to convert your vehicle to run on this alternative fuel source.

The process of converting your vehicle to run on CNG involves installing a CNG conversion kit, which includes a high-pressure storage tank, fuel lines, pressure regulator, and injectors. This kit allows your vehicle's engine to use CNG as a fuel source instead of or in addition to gasoline or diesel.

When the engine is running on CNG, the fuel is injected into the combustion chambers in a gaseous state. It is then compressed and ignited by the spark plugs, similar to how gasoline or diesel is burned in a conventional engine.

The availability of CNG is also an important factor to consider. CNG refueling stations are not as widespread as gasoline or diesel stations, so it is essential to research and ensure that there are sufficient refueling options in your area before converting your vehicle.

Converting your vehicle to run on CNG offers several benefits, including cost savings, lower emissions, and reduced dependence on fossil fuels. However, it is important to have a good understanding of the basics of CNG and how it works before going into the conversion process.

This will help you make informed decisions and ensure a successful conversion that meets your needs and expectations.

Assessing your vehicle's suitability for CNG conversion.

After you have understood the basics of Compressed Natural gas, the next important thing to do is assessing if your vehicle is suitable for CNG conversion because not every vehicle is compatible with CNG. So taking the time to evaluate its suitability will save you from unnecessary expenses and potential complications later.

Below are the necessary steps to take when assessing your vehicle’s suitability:

  • Firstly, determine if your vehicle has a compatible engine type. Generally, vehicles with gasoline-powered engines are more likely to be compatible with CNG conversion than diesel-powered ones. However, it's essential to research and consult with professionals to understand the specific requirements and limitations associated with your vehicle's make, model, and engine type.
  • Next, consider the age and condition of your vehicle. Older vehicles may require additional modifications or upgrades to meet safety and emissions standards for CNG conversion. Additionally, vehicles with high mileage or pre-existing engine issues may not be suitable for conversion, as it could further strain the engine and lead to performance issues.
  • Additionally, check with your local regulatory authorities and insurance providers to understand any legal or policy implications associated with CNG conversions.
  • Lastly, it's highly recommended to seek professional advice from certified CNG conversion experts or automotive technicians. They can assess your vehicle's specific characteristics and provide valuable insights into its suitability for CNG conversion.

If you are in Nigeria, this evaluation can be carried out with any of Flickwheel’s professional field agents in collaboration with NIPCO PLC, a leading oil and gas industry in Nigeria. Download Flickwheel app on google playstore or Appstore to begin the process.

After understanding the basics of CNG and assessing your vehicle suitability, you can then proceed with the conversion process. Below is a step by step guide for a successful CNG conversion.

Step 1: Research and choose a certified CNG conversion kit

There are various CNG conversion kits available in the market, each with their own specifications and features. Look for kits that are certified by reputable organizations, as this ensures that they meet the necessary safety and performance standards. Consider factors such as compatibility with your specific vehicle make and model, the reputation of the manufacturer, and customer reviews. Look for kits that come with comprehensive installation instructions, warranty coverage, and technical support.

This step sets the foundation for a successful and safe conversion process and also contribute to the long-term reliability and safety of your CNG-powered vehicle.

Step 2: Finding a reputable CNG conversion professional

Start by researching local CNG conversion professionals in your area. Look for established businesses or individuals who specialize in CNG conversions and have a proven track record of successful conversions.

Once you have identified potential professionals, it is advisable to schedule consultations or meetings with them. This will allow you to discuss your specific vehicle and conversion requirements, as well as get a better understanding of their expertise and approach.

The quality of the CNG conversion largely depends on the skills and expertise of the professional performing the work. Investing time and effort in finding a reputable CNG conversion professional like NIPCO PLC in Nigeria through the help of Flickwheel and their field agents, will ensure a smooth and successful conversion process, giving you the peace of mind that your vehicle is in safe hands.

Step 3: Getting the necessary permits and approvals.

Once you have decided to convert your vehicle to run on Compressed Natural Gas (CNG), it is vital to ensure that you have obtained the necessary permits and approvals. This step is to ensure that the conversion process is legal and compliant with all regulations and safety standards.

During this step, it is beneficial to carry along experts or professionals who have experience in CNG conversions. In Nigeria, one of these professionals to reach out to is Flickwheel in collaboration with NIPCO PLC. They can guide you through the permit application process and provide you with valuable insights and advice on navigating any challenges that may arise during this stage.

Step 4: Preparing your vehicle for conversion.

Before carrying out the actual conversion process, it is important to adequately prepare your vehicle for the switch to Compressed Natural Gas (CNG).

  • Firstly, you need to conduct a thorough inspection of your vehicle's engine and fuel system. Check for any existing issues or leaks that could potentially affect the conversion process or the performance of your vehicle after the conversion.
  • Next, you will need to gather the necessary tools and equipment for the conversion. This may include specialized CNG conversion kits, fuel lines, fittings, and other components specific to your vehicle's make and model.
  • Once you have gathered all the required materials, it's time to clear out any debris or obstructions from the vehicle's engine compartment. Additionally, it is important to disconnect the battery and drain any remaining fuel from the vehicle's existing fuel system.
  • Lastly, it is highly recommended to keep a detailed record of all the steps taken during the preparation phase. This documentation will not only help you stay organized but also serve as a valuable reference in case any issues arise during or after the conversion.

Step 5: The actual CNG conversion process.

Once you have gathered all the necessary components and equipment, it's time to begin the actual CNG conversion process.

  • To start, the first task is to locate the appropriate space in your vehicle to install the CNG cylinder. This space should be well-ventilated and meet all safety requirements. It's important to choose a location that does not interfere with the vehicle's structure or hinder the driver's visibility.
  • Next, you will need to remove the existing fuel system components, such as the fuel tank and fuel lines. This step requires careful attention to detail, as these components will no longer be needed in the CNG conversion process.
  • Once the fuel system components have been removed, it's time to install the CNG kit. This kit typically includes a CNG regulator, a pressure gauge, a high-pressure fuel line, and an electronic control unit. The installation process may vary depending on the specific kit you have chosen, so it's crucial to follow the manufacturer's instructions carefully.
  • After the CNG kit has been properly installed, the next step is to connect the CNG cylinder to the kit. This involves attaching the cylinder securely and ensuring that all connections are properly sealed to prevent any gas leaks.
  • Finally, it's time to test the converted vehicle. Before hitting the road, it's essential to conduct a thorough inspection of the CNG conversion to ensure everything is functioning correctly. This includes checking for any gas leaks, testing the vehicle's performance, and verifying that all safety measures have been implemented.

Safety considerations and precautions.

While CNG is generally considered a safe and clean alternative fuel, it's essential to take the necessary precautions to ensure the safety of yourself, your passengers, and others on the road.

First and foremost, it is very important to have the conversion done by a certified and experienced professional. Attempting a DIY conversion without proper knowledge and expertise can lead to serious safety hazards. A qualified technician will understand the intricacies of the conversion process and ensure all necessary safety measures are in place.

Regular inspections and maintenance of the CNG system are essential for safety. This includes checking for leaks, ensuring proper functioning of pressure relief devices, and inspecting the fuel lines and fittings. Any signs of damage or wear should be addressed immediately to prevent potential accidents.

Another crucial safety aspect is the installation of safety devices, such as pressure regulators, shut-off valves, and emergency release systems. These devices help regulate the fuel flow, prevent over-pressurization, and allow for quick shutdown in case of emergencies.

Also, don't forget to continue with routine maintenance tasks for your vehicle as you would with a conventional gasoline-powered vehicle. This includes regular oil changes, filter replacements, and scheduled tune-ups. Remember to inform your mechanic about the CNG conversion so they can provide specialized care and attention to the CNG components during these maintenance sessions.

Furthermore, staying updated with the latest CNG technology advancements and safety guidelines is crucial. As the CNG industry continues to evolve, there might be new recommendations or regulations that you need to adhere to. Keeping yourself informed will ensure that your CNG-powered vehicle remains safe, efficient, and compliant with the latest standards.

By prioritizing safety considerations and taking necessary precautions, you can confidently convert your vehicle to run on CNG. Safety should never be compromised, and it's always better to seek professional help if you are unsure about any aspect of the conversion process.

With a great track record of successful CNG conversions, Flickwheel is your go-to automobile professional if you are looking to carry out a CNG conversion. Download the FLICKWHEEL app on the Google Playstore or Appstore to get started.

Before you convert, watch this video:

Read more about CNG here:

  1. An Introduction to Compressed Natural Gas
  2. Challenges of CNG Conversions for E-hailing drivers
  3. Government's Role in Promoting CNG Conversions in Nigeria
  4. Availability of CNG Fuel Stations in Nigeria
  5. Top Benefits of CNG Conversion in Nigeria

Get more stories lifestyle

Get vehicle articles, product updates and promotional offers

Next Read

Everything CNG

Car Talk

80 New Standards for CNG-Powered Vehicles Revealed by SON

The Standards Organization of Nigeria (SON) has officially introduced 80 newly approved standards fo...

Car Talk


While purchasing the RX350 might seem effortless,  there are a lot of grey areas to consider to avoi...