Owning a CNG-powered car has its advantages and disadvantages, but one thing is certain: you shouldn't neglect its maintenance to minimize engine wear and increase its lifespan. So, let's find out here what the main items are that we should observe when maintaining a CNG vehicle. 

However, before any maintenance, care must be taken when converting the vehicle to CNG. Therefore, we recommend that this conversion be done by workshops and professionals who have Inmetro certification for the installation of their system. This way, you can drive with peace of mind and also keep your annual certificate up to date, as it is mandatory. 

CNG is the same gas we use in household gas cylinders. It is basically composed of methane gas and is also useful in transportation applications. 

CNG vehicles have engines similar to those powered by gasoline. Therefore, they operate using spark ignition.

The difference lies in the specific system for natural gas. Therefore, they utilize more robust exhaust valves, valve seats, and piping for gas circulation.

In summary, the gas goes to the engine through a system of pipes and valves, providing combustion without pollutants.

And because it is not a liquid fuel, there is no production of carbon residues and, consequently, the system components remain free from corrosion.

It's important to remember that converting a vehicle to CNG does not affect the engine's ability to use the original fuel.

In other words, it simply adds another refueling option for the user.

Discover now the advantages and disadvantages of owning a vehicle powered by natural gas (CNG).

So, the main advantage of CNG vehicles is fuel economy. Compared to gasoline-powered vehicles, they are ideal for those who need to drive a lot.

Another advantage is the reduction in the IPVA tax rate.

Not to mention that they are less polluting, consume less oil, and it's also impossible to adulterate the gas.

Furthermore, because it is not a liquid fuel and is cleaner, the injection system and exhaust system have greater durability.

On the downside, if the conversion is done on a new car, the warranty will be voided.

Furthermore, CNG engines lose a little power compared to gasoline-powered ones.

Also, regular maintenance is necessary to ensure greater engine durability.

Furthermore, the fuel supply network in Brazil is not extensive. When traveling, for example, it is necessary to check where there is a gas station available.

So, let's learn some important tips to keep in mind when performing maintenance on your CNG system. Follow along!

Therefore, the recommendation is to change the air filter every 10,000 km.

The replacement of cables and spark plugs should occur after the vehicle has traveled 15,000 km, and should not exceed 20,000 km.

Lubricating oil lasts longer because less carbon is produced during gas combustion.

Therefore, it's best to consult the manufacturer's manual and also ask the person responsible for the installation what the best time is for replacement.

Well, the ignition system and wiring should be inspected every time routine preventative maintenance is performed.

Just like in gasoline vehicles, the CNG engine uses spark plugs to ignite the gas.

However, spark plug wear is greater with CNG, due to the gas's increased sensitivity to the quality of the spark produced.

Therefore, it is important to keep the entire system free from exposure to excessive heat and other damaging factors.

Another very important item is checking the piping throughout the system to ensure that it is properly fitted and free from wear.

This is because, since impacts with potholes, speed bumps, and other obstacles are constant, there may be wear and tear on the parts, leading to leaks.

Finally, we have the inspection of the safety valve, which must always be in good condition.

Ultimately, it is essential to ensure the proper functioning of the valve, which is activated in the event of a gas leak in the system.

Because it allows you to stop the leak for the necessary time. This way, you can take the vehicle in for a problem check.

Okay, the cost for a complete CNG system maintenance ranges from around R$80.00 to R$150.00 in cities like São Paulo and Rio de Janeiro.

Typically, the service takes around 1 hour and 30 minutes, and the inspection must be carried out on all items in the system.

Remember that, for your safety and to guarantee the service, you should always look for workshops and professionals certified by Inmetro.

And don't forget to request the annual inspection certificate.

As can be seen from what has been said above, it is of utmost importance that a CNG vehicle undergoes regular maintenance.

Therefore, by performing the scheduled maintenance, you will ensure greater engine durability and performance, and you will also be able to drive with all the necessary safety.

So, if you own a gas-powered vehicle, pay attention and don't forget to have your CNG system serviced.

So now you know what precautions you need to take when owning a car that runs on natural gas.

Therefore, if you want to convert your car, access the link below and find out if it's worth investing in a CNG kit!