The majority of vehicles on the road today use Electronic Throttle Control (ETC). These systems help improve fuel economy, reduce emissions, protect powertrain components, and provide an overall better driving experience.
Automotive technicians all have their own individual style and approach to diagnostics and education. But most techs will tell you that if they understand how the system is supposed to work and the components involved, the diagnostic repair journey is usually easier. Automotive technology is constantly changing, it never seems to stop, but keeping up with this constant change is a demanding task.