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ASE Certification Study Guide Questions
With Correct Answers
Spark plugs are being replaced on a v6 engine. Which of the following should be performed
before removing the boot? - answer✔✔Twist the boot 1/2 a turn
Technician A days that a positive crankcase ventilation (pvc) system reduces vehicle emissions.
Tech B says that a pvc system helps increase crankcase pressure. Who is correct? -
answer✔✔Tech A
Tech A says that secondary ignition wires should be inspected when replacing spark plugs. Tech
B says that if a new spark plug is dropped it can be used as long as the gap doesn't change. Who
is correct? - answer✔✔Tech A
Incorrect valve timing could be caused by... - answer✔✔Incorrect timing belt position
When measuring parallelism of a disc brake rotor, A technician measures 0.002" variation
beyond the specification. The next step is to? - answer✔✔Determine the minimum rotor machine
to thickness
Tech A says that disconnecting the negative battery cable may be required to disable the air bag
system. Tech B says that a self powered test light can be used to test air bag system components.
Who is correct? - answer✔✔Tech A only
A vehicles battery prematurely fails. A charging system output test shows the alternator is
producing a constant 16.0 volts. This could indicate a failed... - answer✔✔Voltage regulator
A dirty cabin air filter can cause... - answer✔✔A musty smelling cabin
Define the term stroke - answer✔✔Distance the piston travels from TDC (top dead center) to
BDC (bottom dead center)
A vehicle is being checked for power steering leaks Technician A says that leaks can develop in
the fitting hoses and seals, Technician B says that the steering components should be observed
for leaks while a helper turns the steering wheel from side to side. Who is right? -
answer✔✔Both
Brake fluid must meet minimum standards set by... - answer✔✔Department of traffic (DOT)
A flexible rubber brake line is being inspected.
ASE Certification Study Guide Questions
With Correct Answers
Spark plugs are being replaced on a v6 engine. Which of the following should be performed
before removing the boot? - answer✔✔Twist the boot 1/2 a turn
Technician A days that a positive crankcase ventilation (pvc) system reduces vehicle emissions.
Tech B says that a pvc system helps increase crankcase pressure. Who is correct? -
answer✔✔Tech A
Tech A says that secondary ignition wires should be inspected when replacing spark plugs. Tech
B says that if a new spark plug is dropped it can be used as long as the gap doesn't change. Who
is correct? - answer✔✔Tech A
Incorrect valve timing could be caused by... - answer✔✔Incorrect timing belt position
When measuring parallelism of a disc brake rotor, A technician measures 0.002" variation
beyond the specification. The next step is to? - answer✔✔Determine the minimum rotor machine
to thickness
Tech A says that disconnecting the negative battery cable may be required to disable the air bag
system. Tech B says that a self powered test light can be used to test air bag system components.
Who is correct? - answer✔✔Tech A only
A vehicles battery prematurely fails. A charging system output test shows the alternator is
producing a constant 16.0 volts. This could indicate a failed... - answer✔✔Voltage regulator
A dirty cabin air filter can cause... - answer✔✔A musty smelling cabin
Define the term stroke - answer✔✔Distance the piston travels from TDC (top dead center) to
BDC (bottom dead center)
A vehicle is being checked for power steering leaks Technician A says that leaks can develop in
the fitting hoses and seals, Technician B says that the steering components should be observed
for leaks while a helper turns the steering wheel from side to side. Who is right? -
answer✔✔Both
Brake fluid must meet minimum standards set by... - answer✔✔Department of traffic (DOT)
A flexible rubber brake line is being inspected.
