Advanced Engine Performance Diagnosis, 7e (Halderman)
Chapter 1 The Diagnostic Process
1) Technician A says that the first step in the diagnostic process is to verify the problem
(concern). Technician B says that the second step is to perform a thorough visual inspection.
Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: C
2) Which item is NOT important to know before starting the diagnosis of an engine performance
problem?
A) Brand of engine oil used
B) List of previous repairs
C) Type of gasoline used
D) The temperature of the engine when the problem occurs
Answer: A
3) A generic (global)-type scan tool can retrieve ________ data.
A) ABS brake system
B) HVAC
C) emissions-related
D) All of the above
Answer: C
4) The steps in a manufacturer-specific diagnostic routine are being discussed. Technician A says
that after recording any DTCs, the codes should be erased. Technician B says to road test the
vehicle twice to turn off the MIL. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: C
5) Technician A says that if the opposite DTC can be set, the problem is the component itself.
Technician B says that if the opposite DTC cannot be set, the problem is with the wiring or
grounds. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: C
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,6) The preferred method to clear DTCs is to ________.
A) use a scan tool
B) remove the computer (PCM) Power feed fuse
C) disconnect the negative battery cable for 10 seconds
D) cycle the ignition key on and off 40 times
Answer: A
7) Which is the factory scan tool for Chrysler brand vehicles equipped with CAN?
A) Master Tech
B) wiTECH
C) NGS
D) Tech 2
Answer: B
8) What fault could occur that can cause a driveability issue and not set a diagnostic trouble code
(DTC)?
A) Contaminated fuel that has water or diesel fuel mixed with the fuel
B) Clogged air intake systems due to an animal nest of road debris caught in the air intake
system
C) Alcohol (ethanol) in high concentrations in the fuel
D) Any of the above
Answer: D
9) Technician A says that knowing if there are any stored diagnostic trouble codes (DTCs) may
be helpful when checking for related technical service bulletins (TSBs). Technician B says that
only a factory scan tool should be used to retrieve DTCs. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: A
10) A drive cycle is designed to reset all the OBD-II monitors. Before starting the drive cycle the
engine should be ________.
A) cold (ECT = IAT)
B) operated at idle for two minutes
C) fully warmed up (cooling fans cycles on and off two times)
D) have a full fuel tank
Answer: A
11) A paper test can be used to check for a possible problem with ________.
A) a burned valve
B) the ignition system (bad spark plug wire)
C) faulty port on a multiport fuel injected engine
D) Any of these
Answer: D
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,12) Which step should be performed LAST when diagnosing an engine performance problem?
A) Checking for any stored diagnostic trouble codes
B) Performing a thorough visual inspection
C) Verify the repair
D) Checking for any technical bulletins
Answer: C
13) How many steps does the book outline for a systematic diagnostic procedure?
A) Five
B) Four
C) Eight
D) Six
Answer: C
14) What is the first step of the diagnosis process?
A) Check for technical service bulletins
B) Look at scan tool data
C) Verify the problem
D) Retrieve the diagnostic trouble codes
Answer: C
15) All these actions involve verifying the problem EXCEPT ________.
A) look for TSBs
B) check the MIL
C) determine the temperature the when problem occurred
D) look for aftermarket parts
Answer: A
16) Technician A says that it is a good idea to perform a test drive before attempting repairs.
Technician B says that its a good idea to let the customer accompany the technician on the test
drive. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: C
17) Technician A assumes a replacement part is good just because it is new. Technician B says
that sometimes recent repair work will be the cause of a complaint. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B
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, 18) Which diagnostic step is the most important aspect of diagnosis?
A) Retrieve the trouble codes
B) Verify the problem
C) Check the service bulletins
D) Visual inspection
Answer: D
19) Technician A says that when checking engine oil, it is normal for the oil to catch fire if lit by
a match. Technician B says that oil on the dipstick that catches fire when lit is a sign of fuel in
the oil. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B
20) Technician A says to check coolant level in the radiator when it is hot. Technician B says to
check coolant level in the radiator when it is cool. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B
21) Technician A says that water floats to the top of fuel in the tank. Technician B says that
water is more likely to be drawn into the system when the fuel level is low. Which technician is
correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B
22) Technician A says that low battery voltage can cause driveability problems. Technician B
says that the charging voltage should be over 15 volts when the engine is idling. Which
technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: A
4
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Chapter 1 The Diagnostic Process
1) Technician A says that the first step in the diagnostic process is to verify the problem
(concern). Technician B says that the second step is to perform a thorough visual inspection.
Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: C
2) Which item is NOT important to know before starting the diagnosis of an engine performance
problem?
A) Brand of engine oil used
B) List of previous repairs
C) Type of gasoline used
D) The temperature of the engine when the problem occurs
Answer: A
3) A generic (global)-type scan tool can retrieve ________ data.
A) ABS brake system
B) HVAC
C) emissions-related
D) All of the above
Answer: C
4) The steps in a manufacturer-specific diagnostic routine are being discussed. Technician A says
that after recording any DTCs, the codes should be erased. Technician B says to road test the
vehicle twice to turn off the MIL. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: C
5) Technician A says that if the opposite DTC can be set, the problem is the component itself.
Technician B says that if the opposite DTC cannot be set, the problem is with the wiring or
grounds. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: C
1
Copyright © 2020 Pearson Education, Inc.
,6) The preferred method to clear DTCs is to ________.
A) use a scan tool
B) remove the computer (PCM) Power feed fuse
C) disconnect the negative battery cable for 10 seconds
D) cycle the ignition key on and off 40 times
Answer: A
7) Which is the factory scan tool for Chrysler brand vehicles equipped with CAN?
A) Master Tech
B) wiTECH
C) NGS
D) Tech 2
Answer: B
8) What fault could occur that can cause a driveability issue and not set a diagnostic trouble code
(DTC)?
A) Contaminated fuel that has water or diesel fuel mixed with the fuel
B) Clogged air intake systems due to an animal nest of road debris caught in the air intake
system
C) Alcohol (ethanol) in high concentrations in the fuel
D) Any of the above
Answer: D
9) Technician A says that knowing if there are any stored diagnostic trouble codes (DTCs) may
be helpful when checking for related technical service bulletins (TSBs). Technician B says that
only a factory scan tool should be used to retrieve DTCs. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: A
10) A drive cycle is designed to reset all the OBD-II monitors. Before starting the drive cycle the
engine should be ________.
A) cold (ECT = IAT)
B) operated at idle for two minutes
C) fully warmed up (cooling fans cycles on and off two times)
D) have a full fuel tank
Answer: A
11) A paper test can be used to check for a possible problem with ________.
A) a burned valve
B) the ignition system (bad spark plug wire)
C) faulty port on a multiport fuel injected engine
D) Any of these
Answer: D
2
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,12) Which step should be performed LAST when diagnosing an engine performance problem?
A) Checking for any stored diagnostic trouble codes
B) Performing a thorough visual inspection
C) Verify the repair
D) Checking for any technical bulletins
Answer: C
13) How many steps does the book outline for a systematic diagnostic procedure?
A) Five
B) Four
C) Eight
D) Six
Answer: C
14) What is the first step of the diagnosis process?
A) Check for technical service bulletins
B) Look at scan tool data
C) Verify the problem
D) Retrieve the diagnostic trouble codes
Answer: C
15) All these actions involve verifying the problem EXCEPT ________.
A) look for TSBs
B) check the MIL
C) determine the temperature the when problem occurred
D) look for aftermarket parts
Answer: A
16) Technician A says that it is a good idea to perform a test drive before attempting repairs.
Technician B says that its a good idea to let the customer accompany the technician on the test
drive. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: C
17) Technician A assumes a replacement part is good just because it is new. Technician B says
that sometimes recent repair work will be the cause of a complaint. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B
3
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, 18) Which diagnostic step is the most important aspect of diagnosis?
A) Retrieve the trouble codes
B) Verify the problem
C) Check the service bulletins
D) Visual inspection
Answer: D
19) Technician A says that when checking engine oil, it is normal for the oil to catch fire if lit by
a match. Technician B says that oil on the dipstick that catches fire when lit is a sign of fuel in
the oil. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B
20) Technician A says to check coolant level in the radiator when it is hot. Technician B says to
check coolant level in the radiator when it is cool. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B
21) Technician A says that water floats to the top of fuel in the tank. Technician B says that
water is more likely to be drawn into the system when the fuel level is low. Which technician is
correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B
22) Technician A says that low battery voltage can cause driveability problems. Technician B
says that the charging voltage should be over 15 volts when the engine is idling. Which
technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: A
4
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