172 Engines L1 L2

The air filter acts as a silencer

• True

• False

Which part is missing from basic fuel system components?

Tank, Pump, Filter, Lines, Relief valve, Fuel delivery

• EVAP

• Gauge

• Warning lamp

• Rail

What is typical operating pressure of petrol injection?

• 3 BAR

• 180 BAR

• 2500 BAR

• 0.5 - 1 BAR

When is the vacuum high?

• at high speed

• when throttle fully open

• when throttle closed

• on a CI engine

The correct mixture for a SI engine is called?

• Venturi

• Stoichiometric

• Throttle body

• Butterfly

What is device for cold starting a carburettor engine known as?

• Glow plugs

• Choke

• Throttle

• Venturi

Single point injection is where?

• Single injector is mounted in throttle body

• Single injector for each cylinder

• Injectors inject singularly in sequence

• Computer controls carburettor

What is item pictured?

• Ignition coil

• Spark plug

• Solenoid injector

• Throttle body injector

When fuel is injected in same order as firing is it called?

• Sequential

• Throttle body

• Mechanical

• Stoichiometric

What is item pictured?

• Diesel lift pump

• Electronic fuel pump

• Diesel timing pump

• Sender unit