ASE A8 ENGINE PERFORMANCE STUDY
GUIDE 2025/26 QUESTIONS WITH PASSED
SOLUTIONS.
1 of 85
Term
A vehicle running at normal operating temperature is idling at too
high an idle speed. When checking the IAC (idle Air Control) valve
pintie counts with a scan tool, the reading is zero. Technician A says
that the IAC valve is defective. Technician B says that there is
a vacuum leak at the intake manifold. Who Is right?
A. Technician A only
B. Technician B only
C. Both A and B
D.Neither A or B
Give this one a try later!
, Tech B D. The coil is okay
C. Both Tech A and Tech B Tech A
Don't know?
2 of 85
Term
An alternator output harness (pigtail) needs to be replaced. Tech A
says that a pencil soldering iron should be used to ensure a good
connection. Tech B says that a butt splice sleeve connector will be
sufficient. Who is right?
A. Tech A only
B. Tech B
only C Both A
and B
D. Neither A or B
Give this one a try later!
D. Neither Tech A or Tech B C. Both Tech A and Tech B
Neither A or B D. Neither A or B
Don't know?
3 of 85
,Term
A vehicle has been towed in with a no crank condition. The
starter solenoid is being tested using a jumper wire between the
battery
and the solenoid "S" terminal terminal. Tech A says that if the engine
cranks , the problem is in the starter control circuit. Tech B says that
is the solenoid makes a clicking sound, it is operating properly and
the starter may be defective. Who is right ?
Give this one a try later!
Tech A D. Neither Tech a nor Tech B
C. Both Tech A and Tech B D. Neither Tech A or Tech B
Don't know?
4 of 85
Term
Two technicians are discussing alcohol in fuel. Tech A says that if
any alcohol is mixed with gasoline it will cause drivability problems.
Tech B says that excessive amounts of alcohol in fuel can degrade
fuel system. Who is right ?
Give this one a try later!
, Neither Tech A Nor Tech B Tech B
C. Both Tech A And Tech B D. Neither Tech A Or Tech B
Don't know?
5 of 85
Term
A technician suspects that a faulty CMP (camshaft position) sensor is
the cause of a drivability complaint. In order to test the sensor, he
must first know what type it is. Since the sensor is equipped with a 3
wire connector, the sensor:
Give this one a try later!
D. Is a Capacitive discharge type B. Is a Magnetic reluctance type
C. Is a Variable resistor type A. Is a Hall effect type
Don't know?
GUIDE 2025/26 QUESTIONS WITH PASSED
SOLUTIONS.
1 of 85
Term
A vehicle running at normal operating temperature is idling at too
high an idle speed. When checking the IAC (idle Air Control) valve
pintie counts with a scan tool, the reading is zero. Technician A says
that the IAC valve is defective. Technician B says that there is
a vacuum leak at the intake manifold. Who Is right?
A. Technician A only
B. Technician B only
C. Both A and B
D.Neither A or B
Give this one a try later!
, Tech B D. The coil is okay
C. Both Tech A and Tech B Tech A
Don't know?
2 of 85
Term
An alternator output harness (pigtail) needs to be replaced. Tech A
says that a pencil soldering iron should be used to ensure a good
connection. Tech B says that a butt splice sleeve connector will be
sufficient. Who is right?
A. Tech A only
B. Tech B
only C Both A
and B
D. Neither A or B
Give this one a try later!
D. Neither Tech A or Tech B C. Both Tech A and Tech B
Neither A or B D. Neither A or B
Don't know?
3 of 85
,Term
A vehicle has been towed in with a no crank condition. The
starter solenoid is being tested using a jumper wire between the
battery
and the solenoid "S" terminal terminal. Tech A says that if the engine
cranks , the problem is in the starter control circuit. Tech B says that
is the solenoid makes a clicking sound, it is operating properly and
the starter may be defective. Who is right ?
Give this one a try later!
Tech A D. Neither Tech a nor Tech B
C. Both Tech A and Tech B D. Neither Tech A or Tech B
Don't know?
4 of 85
Term
Two technicians are discussing alcohol in fuel. Tech A says that if
any alcohol is mixed with gasoline it will cause drivability problems.
Tech B says that excessive amounts of alcohol in fuel can degrade
fuel system. Who is right ?
Give this one a try later!
, Neither Tech A Nor Tech B Tech B
C. Both Tech A And Tech B D. Neither Tech A Or Tech B
Don't know?
5 of 85
Term
A technician suspects that a faulty CMP (camshaft position) sensor is
the cause of a drivability complaint. In order to test the sensor, he
must first know what type it is. Since the sensor is equipped with a 3
wire connector, the sensor:
Give this one a try later!
D. Is a Capacitive discharge type B. Is a Magnetic reluctance type
C. Is a Variable resistor type A. Is a Hall effect type
Don't know?
