40 / 1000
40. Which of the following is NOT a problem that can occur in cars when refueling with fake petroleum product?
- Increased engine noise due to corrosion and damage caused to the fuel supply device
- Reduced power and fuel efficiency due to damage to the injector that injects fuel
- Reduced power due to reduction of engine friction caused by increased lubricity
- Power-downs due to damage to the high-pressure fuel pump supplying fuel
Answer : 3