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HomeFeatured Articles10 Things You Should Never Do in a CNG Car | CNG...

10 Things You Should Never Do in a CNG Car | CNG Maintenance

CNG car maintenance isn’t a big deal, to be honest. CNG cars have gained a lot of traction in India. The CNG car market has grown exponentially and for obvious reasons.

Deploying a CNG cylinder in your car’s trunk seems feasible to many because of the added benefits. But everything isn’t perfect. That’s true for all the things and the CNG cylinders as well. Now, the CNG cylinders often come with their own set of problems but they seem negligible in front of the benefits.

So, what makes CNG cars worth it? Moreover, how to make sure that your CNG vehicle works optimally through its life. Here are some of the DOs & DON’Ts that you shall follow for your CNG vehicle.

Also Read: How To Convert Your Existing Car To CNG Fuel | A Definitive Guide

Hyundai Grand i10 Nios CNG
Hyundai Grand i10 Nios CNG
  1. Don’t Start Your Car on CNG

It is always preferred to start up your car on petrol. Starting up your car on CNG might lead to some wear and tear in the long run. Fire up your car’s engine on petrol mode and drive for a kilometre or two. This will help to lubricate the engine for a smoother ride ahead.

2. Don’t Ignore The Spark Plugs

Alto 800 CNG Car
Alto 800 CNG Car

The spark plugs in a CNG vehicle tend to wear out faster. Get these spark plugs replaced or checked from time to time. Moreover, in order to save some bucks, you can also go for a ‘jugaad’. While one way is to replace petrol-based spark plugs with the ones meant for CNG vehicles.

The other way is to reduce the gap between the metallic tip of your plug and the actual point of spark. This will save you some money and is also a durable method.

3. Don’t Park in the Sun

Car Parked in Shade
Car Parked in Shade

Park your CNG car under a shade. This is a two-thronged approach. Firstly, you get to sit in a relatively cooler car when you come back. Secondly, it avoids evaporation of CNG. Yes, CNG tends to evaporate faster than petrol and diesel due to its gaseous nature. Parking under the sun avoids that evaporation.

4. Avoid Unauthorised Kits

CNG Maintenance
CNG Maintenance

This seems like a no-brainer. Moreover, this might be the most heard thing you’d have heard if you get a CNG fitted in your car. To save some bucks, many go for the CNG kits fitted from roadside mechanics and workshops.

While this might save you some money in the short run, t isn’t safe. An ill-fitted CNG kit can cause fire and turn out to be fatal. Choose wisely between your life and a few bucks.

Suggested For You: Company Fitted CNG vs Aftermarket CNG | Myths Busted!

5. Do Not Go Substandard

CNG Car Maintenance | GoMechanic
CNG Fitted Car

Again, saving a few rupees might turn fatal. Aftermarket accessories if not associated with a warranty can lead to grave incidents. Hence, it is always preferred to go for accessories which follow the norms and industry standards. Try choosing accessories which come with warranties and comply with the safety norms.

6. Don’t Ignore The Leak Test

In order to avoid any leaks in the first place, don’t get your tank overfilled. Even getting it filled up to the brim, might not be a good idea. Moreover, as soon as you smell a gas leak pull over your car. Roll down all the windows and open the gates. Do not start up your car till checked by a mechanic or technician.

7. Do Not Avoid CNG Maintenance

Avoiding your CNG maintenance and servicing can hamper your vehicle in the long run. A CNG car might save you money that’s for sure, but irregular maintenance may cost you dearly.

Getting your car maintained on a regular interval ensures proper performance. Irregular maintenance is one of the prime causes of fire in most of the CNG cars. In order to avoid any incidents, proper servicing is all you need.

8. Do Not Leave The Air Filters Clogged

Cabin Air Filter
Cabin Air Filter

Air filters are an essential component of any CNG vehicle. The moment your CNG vehicle crosses the 10,000-kilometre mark, make sure to get your air filters cleaned or changed.

9. Do Not Run Empty

Checking your CNG tank on regular intervals is a good practice. Never try to squeeze every bit out from a CNG cylinder. Running a CNG vehicle on a close to empty cylinder might increase the pressure on the valves. Always ensure a good flow of petrol as well as CNG in your vehicle.

10. Clean the Throttle Body

The throttle body of a car is a connecting valve between the air filter and the intake. Make sure. Once again, the 10,000 mark is the ideal time to get it checked, cleaned and replaced. CNG maintenance isn’t that big of a task if done right.

You Might Also Like: What will be the impact of BS6 on CNG cars?

Martand Mishra
Martand Mishrahttps://gomechanic.in/blog
Content Aficionado (basically loves everything content) | The original Top Gear cannot be replaced | Avid reader

98 COMMENTS

    • Hi Sidharth
      Installing CNG in Creta will make it lose its power considerably and you will also feel the lag while you drive. In my opinion, its no sense to install CNG in Creta. However, if you still wish to proceed, Lovato can be your choice!

  1. Hi Vishal,

    Can I install a CNG sequential kit on my Hyundai Grand i10 Magna 1.2 Kappa petrol car ? If yes what would be the cost of the kit and of getting the same endorsed on the RC for Noida location.

    • Hi Amit
      Yes, you can definitely install CNG in your 2014 Grand i10 1.2. The cost can vary depending upon your location. However, it will not cost you more then 50,000 INR if you go for Lovato’s sequential CNG kit which works fairly well with Hyundai. Don’t go to Hyundai dealerships for this as they will unnecessarily charge you extra for the same thing.

    • Hi Mr.Amit I request you not to go for CNG aftermarket installation.If there is no choice Means you have to Drive Daily I would Prefer to Go on installation Company Like : Highrise,BRC,Mijo,Autogas May be the Best Suitable for Hyundai cars.Avoid Lovato Replacing parts are too costly.

      Pros of CNG after Market Installation :
      * Lowest Cost
      *Money Saving interms of Petrol.

      Cons of CNG :
      *Cylinder Valves life gets Shorten.
      *More frequently Maintenance like Changing Spark Plug timne to time.
      * injectors clogging & many More
      *Pickup lag.

      May My words on cons may be seems bitter but its true on my experience.But if stiill no choice go ahead and enjoy the experience 🙂

      Tip : Install any kit no matter try to find the Best Person who is knowledegable in thsi field.
      2nd Tip : Try to get Install a 2nd hand kit if you are getting at Rs.25k As most of Branded Car gets failed so just try to tel you be safer side 🙂

      Rest is all upto you..

    • Hi Ravi
      I don’t advise fitting CNG in Renault Kwid. I have personally seen many customers complaining about the same even in the manual variant. Don’t go for CNG. That is all I can say.

  2. Hii.. sir I want to install CNG in my swift 2020 which cng will be best for swift.. I am from Gurgaon and Hr 26… And can you install CNG in my car…

  3. Hi
    I am having tata,zest and converted it to cng kit codotex made in poland kit but for 2 yeras it worked fine and now after running 50000 kms there is some problem like in morning it does not start and sometimes it does not switchover to cng and in idle condition rpm fluctuates and engine goes off ang again for starting it takes long self.for long run it works fine.pls suggest me if anything can be done shoild i change kit with lovato??

  4. Hi Vishal,

    I recently purchased Chevrolet beat LT 2010 model petrol car. Can I go with CNG installation option. If yes then suggest best CNG kit and the cost.

  5. hi…. is it advisable to install CNG kit in my polo petrol 2010 model…… I am a sales guy and now high petrol prices are really pinching……..

  6. Hi Vishal I own a Maruti SX4 2008 with a conventional cng kit installed since it has 1.6L eng it doesn’t give me reasonable mileage so should I go for sequential kit ? And if yes then which kit will be better with what price?

  7. Hi , I own a SX4 2008 with a conventional cng kit installed so is it advised to shift to sequential kit and if yes then which kit will be best with what price?

  8. Hello,

    i have ford fiesta 2007 model. fitted OBD type 2 cng kit of sanito make an year ago. from past month, the pickup on cng has reduced drastically, also car is switching off at low speeds on cng, rpms are fluctuating. no problem at all on petrol. mechanic replaced spark plugs, ignition cables & ignition coil. also cleaned the throttle body. But still problem doesnt resolved. CNG mechanic checked the calibration and said it is ok. what could be the problem and how to resolve ?

    • Hi Sanket
      I am afraid that you did not go with a good kit for your car. Now that the damage has been made, you can ask your mechanic to mechanically increase the base RPM of your car. This will eventually harm your engine but now that you are in this situation already, you have got no other choice according to me.
      Before doing this, try changing the ECU temporarily which can be the only other way out.

  9. Hi
    I have a wagon r 2009 fitted with lovato cng kit
    On petrol the car is working superb!
    Throttle body cleaned, spark plug changed, coil changed, cng setting also done.
    Suddenly it is not taking acceleration sometimes on cng and the car stops. Peddle goes completely in and car not taking raise.
    rpm also fluctuating on idle when ac is off.

  10. My sx4 company fitted cng 2012 model cng indicator blinking and a noise of whistle type come from blinking cng indicator light. First time this problem come when iam driving on road.What may be problem

  11. In traffic while using a/c my wagon r (CNG fitted) switches off and goes to gas line automatically and starts blinking. I have to start the engine again. What is the problem.

  12. Hi, I have fitted Lovato open loop aftermarket cng kit in my hyundai i10 1.1L MAGNA.
    My Lovato reducer is RME090.
    MY CNG KIT IS SAME AS TAXIWALA KIT.
    I ALSO RUN IT WITH FULL AC ON.
    BUT MY check engine light is always on after fitting cng kit.
    The person who fitted says it is ok.

    Is it?

  13. Sir I have Wagner r 2020 model with company fitted kit. Run 135000 km now facing problem with running some kind of valve carbon. Vibration when slow down and jhatke lagte hain. Company check and found no problem again and again on there laptop. What is the fault check to be.

  14. Which CNG kit is best for i20elite 2016 model?

    Also what is recommended in terms of cylinder placement in boot to have max space availability for luggage?

    Is it safe to install frame to lift cylinder up, keeping Stepney at its original location?

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