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WorksheetsGrade 12 Automotive
Total questions: 10
Worksheet time: 5mins
What is the main purpose of the Electronic Fuel Injection (EFI) system?
Reduce oil consumption
Supply the correct amount of fuel to the engine
Increase tire pressure
Strengthen suspension
The sensor that measures the amount of air entering the engine is the:
TPS
MAR
ECT
CKP
The Throttle Position Sensor (TPS) sends information about the:
Crankshaft speed
Accelerator pedal angle.
Coolant temperature
Air-fuel ratio
A slow or rough idle is commonly caused by a faulty:
IAC valve
Oxygen sensor
Battery
Radiator cap
The oxygen sensor is located on the:
Transmission pan
Exhaust system
Intake manifold
Fuel tank
What tool is used to retrieve diagnostic trouble codes from the ECU?
Compression tester
Tire depth gauge.
OBD-II scanner
Torque wrench
A P0301 fault code refers to
Misfire on cylinder 1
Coolant temperature high
Throttle position high
Fuel cap not tight
The fuel pump is normally located inside the
Air filter housing
Exhaust pipe
Fuel tank
Engine block
Which sensor determines engine RPM?
CKP sensor
MAF sensor
IAT sensor
MAP sensor
What component stores and controls all engine data signals?
Alternator
Starter relay
ECU/ECM
Ignition coil
