Technician A says that using lower octane fuel in vehicles designed for premium fuel will cause serious engine damage. Technician B says that some octane boosters will cause discoloration of the porcelain on the spark plug tip. Which technician is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because certain octane boosters contain chemicals that can lead to discoloration of the spark plug tip's porcelain. Using lower octane fuel than recommended may not necessarily cause serious engine damage but can lead to decreased performance and efficiency.

Technician a Says That Using Lower Octane Fuel in Vehicles