(A good ear is necessary.)
Step by step, the Fića is getting to the point where it should have been some time ago.
Modern cars have a
The interesting bit is that only basic mechanical knowledge is a prerequisite. The majority of the skills you need can be found in someone who tunes instruments...
In other words, if you know how to use an acoustic resonator (tuning fork) to tune an instrument, you will know how to be the car's fuel injection.