Dear test driver
i am facing a problem for last 3 days when i convert on petrol the engine is missing on low rpm
but when i press accelerator after a short time missing the engine goes on normal.
During this period black smoke is came on silencer.
When i open the plugs that was black
some time ECL is also appear
On CNG the the car is perfect
i open the fuel injector and clean and change the O rings but problem is still remain.
i also check the error code which is 12,15 and 22
test driver please guide me