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WorksheetsEngine Performance 1 Final (Winter24)
Total questions: 50
Worksheet time: 25mins
Which reports piston position?
Camshaft position sensor
Crankshaft position sensor
Piston position sensor
Which is considered a thermistor
Electronic control tower
Engine Coolant temperature
Engine calibration timer
This sensor is usually located on the transmission and provides information about vehicle speed?
CMP
VSS
MAP
Two techs notice the resistance of the engine coolant temp decrease as it gets hotter. Tech A says it's an NTC Type. Tech B says it's a PTC type. Who is correct?
Tech A
Tech B
Neither
Two techs are discussing types of throttle control. Tech A says a drive-by-cable has an IAC and a TP sensor. Tech B says a drive-by-wire has an APP and a TP Sensor. Who is correct?
Tech A
Tech B
Neither
Both
Two techs are discussing fuel trims. Tech A says a vacuum leak causes negative fuel trims. Tech B says a leaking injector cause positive fuel trims. Who is correct?
Tech A
Tech B
Neither
Both
This is an example of a temperature sensor
Crankshaft position sensor
Throttle position sensor
Intake air
This sensor calculates engine load by reading engine vacuum
ECT
MAP
CMP
This sensor monitors the position of the camshaft
CMP
CKP
TPS
This sensor uses voltage signals to inform the ECM about the stoichiometric ratio
TPS
MAP
A/F Ratio sensor
This sensor has its own internal heater?
A/F sensor
HO2S
TPS
This sensor is located on the throttle body
CMP
CKP
TPS
This sensor interprets gas pedal movement by the driver and allows for precise throttle control
APP
CMP
TPS
PCM stands for
Powertrain control module
Performance control module
Positive Crankshaft movement
IAT stands for
Internal air temperature
Intake air temperature
Idle Air Temperature
What sensor monitors the amount of air entering the engine ?
MAF
IAT
TPS
MAF stands for?
Mass air flow
Mass air function
Multi air form
14.7 to 1 is what ratio
Stoichiometric
air/fuel
optimum fuel efficiency ratio
all of the above
This sensor measures pressure in the intake manifold
MAP
MAF
ECT
MAP stands for?
Mass atmospheric pressure
Manifold absolute pressure
Manifold atmospheric pressure
This sensor monitors the temperature of the engine coolant
ECT
EGT
IAT
This sensor will retard engine timing if its senses detonation
Knock sensor
ECT
MAF
Which reports Cat efficiency?
O2
Knock sensor
CKP
Which describes this components
Reports Intake Pressure
Reports Intake Flow
Is a potentiometer
This sensor uses voltage signals to inform the ECM about the stoichiometric ratio
TPS
MAP
A/F Ratio sensor
What sensor will be located between the air filter and throttle body
MAF
IAT
TPS
What is the measurement of how well an engine breathes?
Turbo Efficiency
Back Pressure
Breathing Efficiency
This sensor reports cat efficiency
A/F sensor
Upstream O2
Downstream O2
Pre-Cat O2
What is the purpose of the fuel system in a car?
To deliver air to the engine for combustion
The purpose of the fuel system in a car is to deliver fuel to the engine for combustion.
To regulate the temperature of the engine
To provide power to the steering system
What is the function of the ignition system in a car?
Regulating the air intake
Igniting the fuel-air mixture in the engine's cylinders
Controlling the suspension
Cooling the engine
What are the main components of a fuel system?
engine block, transmission, radiator
exhaust pipe, muffler, catalytic converter
spark plugs, ignition coil, distributor cap
fuel tank, fuel pump, fuel filter, fuel injectors, and fuel lines
What is the purpose of the intake system in a car?
To bring air into the engine for combustion.
To cool down the engine
To provide power to the wheels
To store excess fuel
What is the function of the exhaust system in a car?
To improve air quality
To reduce fuel efficiency
To remove harmful gases and reduce engine noise.
To increase engine noise
What are the main components of an intake system?
fuel filter, fuel pump, fuel injector, fuel rail
exhaust filter, exhaust manifold, throttle body, exhaust valve
radiator, water pump, thermostat, coolant reservoir
air filter, intake manifold, throttle body, intake valve
What is the purpose of emission control systems in a car?
To make the engine louder
To improve fuel efficiency
To reduce the amount of pollutants released into the atmosphere
To increase the amount of pollutants released into the atmosphere
How do emission control systems help in reducing pollution?
By creating more pollution in the air
By capturing and reducing harmful emissions before they are released into the environment.
By increasing the amount of harmful emissions released into the environment
By trapping emissions and releasing them directly into the environment
What are the main components of an emission control system?
Exhaust pipe, fuel injector, windshield wiper, battery
Catalytic converter, oxygen sensor, EGR valve, PCV valve
Transmission fluid, power steering pump, timing belt, air filter
Spark plug, radiator, alternator, brake pad
How do sensors help in engine management?
By providing real-time data on various engine parameters
By reducing the efficiency of the engine
By increasing fuel consumption
By causing malfunctions in the engine
What is the role of engine management in a car?
Controls various aspects of the engine's operation
Regulates the air conditioning system
Provides entertainment for the passengers
Cleans the interior of the car
Identify This Part:
Fuel Filter
Gas Tank
Fuel Pump
Identify This Part:
Spark Plug
Fuel Injector
Fuel Pump
Identify This Part:
EVAP Cannister
Gas Tank
Vacuum Cannister
Identify This Part:
Throttle Body
Air Intake
EVAP
Identify this part:
CKP
O2S
VSS
Identify this part:
MAP
MAF
CMP
Identify this part:
Coil
Distributor
Spark Plug
Volkswagon
WHAT IS THIS?
MAP
IAC
ECT
WHAT IS THIS??
IGNITION COIL
MASS AIR FLOW
PURGE SOLENOID
All cars have a MAF Sensor
True
False
Which two are more in common, can be interchangeable.
ECT and IAT
IAC and APP
Injector and spark plug
