A lack of power from an engine equipped with gasoline direct ...

[debasdf]

Question 1

A GDI system operating in stratified mode results in ________.
◦ The air-fuel mixture being evenly distributed in the combustion chamber
◦ A rich air-fuel mixture near the spark plug tip
◦ Black smoke from the exhaust
◦ None of these

Question 2

A lack of power from an engine equipped with gasoline direct injection could be due to ________.
◦ Noisy injectors
◦ Carbon on the injectors
◦ Carbon on the intake valves
◦ Both B and C

[mirabriestensky]

Answer 1

A rich air-fuel mixture near the spark plug tip

Answer 2

Both B and C

[debasdf]

Great answer, keep it coming

[rleezy04]

Wow, this really help