Air and Fuel Delivery

Which fuel system delivers fuel above the throttle plates?

• DFI

• TBI

• SFI

• MPI

Fuel injector 'on time' is called:

• Trigger time

• Cycle time

• Pulse Width Modulation

• Ignition timing

Fuel Injectors are mechanical devices.

• True

• False

The catalytic converter:

• limits NOx

• eliminates evaporative emissions

• converts emissions into CO2 and H20

What part does an engine with forced induction have?

• Turbocharger

• Fuel Injection

• Air pump

What is the product of incomplete combustion?

• Hydrocarbons

• Carbon Monoxide

• Carbon Dioxide

• Hydrocarbons

What exhaust problem can cause performance issues?

• Overinduction

• Overheating

• Leakage

• Excessive backpressure

Emissions are set primarily to these 3 gases; CO, HC, NOx;

• True

• False

• IDK

Which component removes blowby gases from the crankcase?

• EGR

• EVAP

• Catalyst

• PCV

Which of the following does the PCM use to calculate injectior pulse?

• Throttle Position

• Engine Load

• Coolant Temp

• ALL OF THESE