Yesterday I was driving on petrol and suddenly car stopped. I shifted to CNG and took it to mechanic. He started the car, the car started and then stopped. He said that there is "kachra" in carburetor. He opened the carburetor, cleaned it and fixed it. My car started and worked fine. Now today I was driving and I faced similar problem. The car started and again turned off. I tried again and again at-last the car started but now I have doubt in my mind that the car can create this problem again anytime. What should I do???
PS: The fuel filter was changed, fuel tank was serviced, stp carburetor cleaner and fuel treatment was added three days ago......+ fuel tank is half full so how could any waste reach the carburetor???