Author Question: The intake manifold of a port fuel-injected engine does which of these? A) Uses a leaner air-fuel ... (Read 137 times)

awywial · **on:** Jun 23, 2018

The intake manifold of a port fuel-injected engine does which of these?

A) Uses a leaner air-fuel mixture than TBI B) Uses a heater to heat the intake air
C) Contains only air D) Contains only fuel

Question 2

In an Atkinson cycle engine the ________ valve is held open longer than in an Otto cycle engine.

A) Intake B) Throttle C) Timing D) Exhaust