manage to start the engine, the sound of the engine is not smooth, there is a possibility of spark plug failure.
this is as the spark plug fails, the engine won't be able to start as the spark needed to get the engine start is unavailable. the only solution to this problem is to change the spark plug as soon as possible. it is advised to get a mechanic to do it for you unless you have the tools and skills of doing it on your own.
among the symptoms of spark plug failure is despite pressing the fuel pedal, the car seems slow and heavy.
the starter function is to start the 