Upon switching on the car; (not turning on the engine), the lights on my CNG switch keeps getting on and off and finally when I tries to start the car it makes a proper starting sound; the flywheel spins. i.e. battery and starter motor is working fine but the car does not starts. also, upon checking, If CNG is flowing out of the kit. I found out that the cng is not flowing out of the kit. This happened with me before and electrician told me that my spark plug wires are weak he did some jugaar and the car starts then. So please tell me if the problem is of:
1) CNG Switch
2) CNG Kit
3) Ignition coil and spark plug wires.